*SET-U

English word origin

Etymology of SpO2

from peripheral oxygen saturation Etymology tree Proto-Indo-European *per-der. Ancient Greek περί (perí) Ancient Greek περῐ- (perĭ-) Proto-Indo-European *bʰer- Proto-Indo-European *-eti Proto-Indo-European *bʰéreti Proto

1 source sectionExtended source reportWiktionary original ↗
In this entry · 1 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Unnumbered source etymology

Original entry ↗
noun

Initialism of peripheral oxygen saturation (referring to the capillaries rather than the arteries).

Selected source glosses provide context, not a complete modern definition inventory

from peripheral oxygen saturation Etymology tree Proto-Indo-European *per-der. Ancient Greek περί (perí) Ancient Greek περῐ- (perĭ-) Proto-Indo-European *bʰer- Proto-Indo-European *-eti Proto-Indo-European *bʰéreti Proto-Hellenic *pʰérō Ancient Greek φέρω (phérō) Ancient Greek περιφέρω (periphérō) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ής (-ḗs) Ancient Greek περιφερής (peripherḗs) Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂der. Ancient Greek -ια (-ia) Ancient Greek περιφέρεια (periphéreia)bor. Latin peripherialbor. Middle French peripheriebor. English peripher(y) Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālislbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English peripheral Proto-Indo-European *h₂eḱ-der.? Ancient Greek ὀξύς (oxús) Proto-Indo-European *ǵenh₁- Proto-Indo-European *-os Proto-Indo-European *ǵénh₁os Proto-Hellenic *génos Ancient Greek γένος (génos) French oxygènebor. English oxygen Late Latin saturatiobor. English saturation English peripheral oxygen saturation English SpO2

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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    {
      "name": "etymon",
      "args": {
        "1": "en",
        "2": "peripheral oxygen saturation<id:estimation of oxygen saturation>",
        "id": "peripheral oxygen saturation",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *per-der.\nAncient Greek περί (perí)\nAncient Greek περῐ- (perĭ-)\nProto-Indo-European *bʰer-\nProto-Indo-European *-eti\nProto-Indo-European *bʰéreti\nProto-Hellenic *pʰérō\nAncient Greek φέρω (phérō)\nAncient Greek περιφέρω (periphérō)\nProto-Indo-European *-os\nProto-Indo-European *-ēs\nProto-Hellenic *-ēs\nAncient Greek -ης (-ēs)\nAncient Greek -ής (-ḗs)\nAncient Greek περιφερής (peripherḗs)\nProto-Indo-European *-is\nProto-Indo-European *-h₂\nProto-Indo-European *-ih₂der.\nAncient Greek -ια (-ia)\nAncient Greek περιφέρεια (periphéreia)bor.\nLatin peripherialbor.\nMiddle French peripheriebor.\nEnglish peripher(y)\nProto-Indo-European *h₂el-\nProto-Indo-European *-is\nProto-Indo-European *h₂élisder.?\nProto-Italic *-ālis\nLatin -ālislbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish peripheral\nProto-Indo-European *h₂eḱ-der.?\nAncient Greek ὀξύς 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: \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*ǵénh₁os\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Hellenic\", \"term\" : \"*génos\", \"lang\" : \"grk-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Ancient Greek\", \"term\" : \"γένος\", \"lang\" : \"grc\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"status\" : \"ok\", \"lang_name\" : \"French\", \"term\" : \"oxygène\", \"lang\" : \"fr\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"oxygen\", \"lang\" : \"en\" }, { \"id\" : \"fullness\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"fullness\", \"children\" : [ ], \"status\" : \"missing\", \"lang_name\" : \"Late Latin\", \"term\" : \"saturatio\", \"lang\" : \"la-lat\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"saturation\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"peripheral oxygen saturation\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"SpO2\", \"lang\" : \"en\" }\" data-id=\"peripheral oxygen saturation\" data-lang=\"en\" data-title=\"SpO2\" id=\"English:_peripheral_oxygen_saturation\">"
    },
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        "1": "en",
        "2": "peripheral oxygen saturation<id:estimation of oxygen saturation>",
        "id": "peripheral oxygen saturation",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *per-der.\nAncient Greek περί (perí)\nAncient Greek περῐ- (perĭ-)\nProto-Indo-European *bʰer-\nProto-Indo-European *-eti\nProto-Indo-European *bʰéreti\nProto-Hellenic *pʰérō\nAncient Greek φέρω (phérō)\nAncient Greek περιφέρω (periphérō)\nProto-Indo-European *-os\nProto-Indo-European *-ēs\nProto-Hellenic *-ēs\nAncient Greek -ης (-ēs)\nAncient Greek -ής (-ḗs)\nAncient Greek περιφερής (peripherḗs)\nProto-Indo-European *-is\nProto-Indo-European *-h₂\nProto-Indo-European *-ih₂der.\nAncient Greek -ια (-ia)\nAncient Greek περιφέρεια (periphéreia)bor.\nLatin peripherialbor.\nMiddle French peripheriebor.\nEnglish peripher(y)\nProto-Indo-European *h₂el-\nProto-Indo-European *-is\nProto-Indo-European *h₂élisder.?\nProto-Italic *-ālis\nLatin -ālislbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish peripheral\nProto-Indo-European *h₂eḱ-der.?\nAncient Greek ὀξύς (oxús)\nProto-Indo-European *ǵenh₁-\nProto-Indo-European *-os\nProto-Indo-European *ǵénh₁os\nProto-Hellenic *génos\nAncient Greek γένος (génos)\nFrench oxygènebor.\nEnglish oxygen\nLate Latin saturatiobor.\nEnglish saturation\nEnglish peripheral oxygen saturation\nEnglish SpO2"
    }
  ],
  "links": [
    [
      "peripheral oxygen saturation",
      "peripheral oxygen saturation"
    ],
    [
      "*per-",
      "Reconstruction:Proto-Indo-European/per-#Proto-Indo-European:_before"
    ],
    [
      "περί",
      "περί#Ancient_Greek:_around"
    ],
    [
      "περῐ-",
      "περι-#Ancient_Greek:_around"
    ],
    [
      "*bʰer-",
      "Reconstruction:Proto-Indo-European/bʰer-#Proto-Indo-European:_bear"
    ],
    [
      "*-eti",
      "Reconstruction:Proto-Indo-European/-eti"
    ],
    [
      "*bʰéreti",
      "Reconstruction:Proto-Indo-European/bʰéreti#Proto-Indo-European:_to_be_carrying"
    ],
    [
      "*pʰérō",
      "Reconstruction:Proto-Hellenic/pʰérō#Proto-Hellenic:_bear"
    ],
    [
      "φέρω",
      "φέρω#Ancient_Greek:_carry"
    ],
    [
      "περιφέρω",
      "περιφέρω#Ancient_Greek:_carry_around"
    ],
    [
      "*-os",
      "Reconstruction:Proto-Indo-European/-os#Proto-Indo-European:_athematic"
    ],
    [
      "*-ēs",
      "Reconstruction:Proto-Indo-European/-ēs#Proto-Indo-European:_adjectival_suffix"
    ],
    [
      "-ης",
      "-ης#Ancient_Greek"
    ],
    [
      "-ής",
      "-ής#Ancient_Greek"
    ],
    [
      "περιφερής",
      "περιφερής#Ancient_Greek:_circular"
    ],
    [
      "*-is",
      "Reconstruction:Proto-Indo-European/-is"
    ],
    [
      "*-h₂",
      "Reconstruction:Proto-Indo-European/-h₂"
    ],
    [
      "*-ih₂",
      "Reconstruction:Proto-Indo-European/-ih₂#Proto-Indo-European:_feminine_suffix"
    ],
    [
      "-ια",
      "-ια#Ancient_Greek:_feminine_nouns"
    ],
    [
      "περιφέρεια",
      "περιφέρεια#Ancient_Greek:_periphery"
    ],
    [
      "peripheria",
      "peripheria#Latin:_periphery"
    ],
    [
      "peripherie",
      "peripherie#Middle_French:_periphery"
    ],
    [
      "peripher(y)",
      "periphery#English:_boundary"
    ],
    [
      "*h₂el-",
      "Reconstruction:Proto-Indo-European/h₂el-#Proto-Indo-European:_grow"
    ],
    [
      "*-is",
      "Reconstruction:Proto-Indo-European/-is"
    ],
    [
      "*-ālis",
      "Reconstruction:Proto-Italic/-ālis"
    ],
    [
      "-ālis",
      "-alis#Latin:_adjectivizing_suffix"
    ],
    [
      "-al",
      "-al#Old_French:_forming_adjectives"
    ],
    [
      "-ālis",
      "-alis#Latin:_adjectivizing_suffix"
    ],
    [
      "-el",
      "-el#Old_French:_adjective"
    ],
    [
      "-ālis",
      "-alis#Latin:_adjectivizing_suffix"
    ],
    [
      "-al",
      "-al#Middle_English:_adjectival_suffix"
    ],
    [
      "-al",
      "-al#English:_adjectival_suffix"
    ],
    [
      "peripheral",
      "peripheral#English:_periphery"
    ],
    [
      "*h₂eḱ-",
      "Reconstruction:Proto-Indo-European/h₂eḱ-#Proto-Indo-European:_sharp"
    ],
    [
      "ὀξύς",
      "ὀξύς#Ancient_Greek:_sharp"
    ],
    [
      "*ǵenh₁-",
      "Reconstruction:Proto-Indo-European/ǵenh₁-"
    ],
    [
      "*-os",
      "Reconstruction:Proto-Indo-European/-os#Proto-Indo-European:_athematic"
    ],
    [
      "*ǵénh₁os",
      "Reconstruction:Proto-Indo-European/ǵénh₁os#Proto-Indo-European:_race"
    ],
    [
      "*génos",
      "Reconstruction:Proto-Hellenic/génos#Proto-Hellenic:_family"
    ],
    [
      "γένος",
      "γένος#Ancient_Greek:_race"
    ],
    [
      "oxygène",
      "oxygène#French:_oxygen"
    ],
    [
      "oxygen",
      "oxygen#English:_O2"
    ],
    [
      "saturatio",
      "saturatio#Latin:_fullness"
    ],
    [
      "saturation",
      "saturation#English:_fullness"
    ],
    [
      "peripheral oxygen saturation",
      "peripheral oxygen saturation#English:_estimation_of_oxygen_saturation"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "Initialism of peripheral oxygen saturation (referring to the capillaries rather than the arteries)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
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      "rawRecordSha256": "2ec33373858656f389173b7166ea3d67667fae37cedb0b649690f57c5aecde8b",
      "sourceRecordOrdinal": 7884213
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  "omittedAuxiliaryFields": {
    "templates": 0,
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}

Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

Contribute located evidence for SpO2 →

Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger
Machine-source provenance
Source SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-U3BPMg