*SET-U

English word origin

Etymology of thiol

Etymology tree Proto-Indo-European *dʰewh₂-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor. Aramaic כוחלא (kuḥlā)bor. Arabic كُحْل (kuḥl) Andalusian Ara

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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

A univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

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

Etymology tree Proto-Indo-European *dʰewh₂-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor. Aramaic כוחלא (kuḥlā)bor. Arabic كُحْل (kuḥl) Andalusian Arabic كُحُول (kuḥūl)bor. Medieval Latin alcoholbor. Middle English alcofol English alcohol English -ol English thiol From thio- + -ol.

Inspect preserved source fields

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

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  "templates": [
    {
      "name": "etymon",
      "args": {
        "1": "en",
        "2": ":af",
        "3": "thio-",
        "4": "-ol<id:alcohol>",
        "tree": "1",
        "text": "+"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dʰewh₂-der.?\nAncient Greek θέειον (théeion)\nAncient Greek θεῖον (theîon)der.\nEnglish thio-\nAkkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor.\nAramaic כוחלא (kuḥlā)bor.\nArabic كُحْل (kuḥl)\nAndalusian Arabic كُحُول (kuḥūl)bor.\nMedieval Latin alcoholbor.\nMiddle English alcofol\nEnglish alcohol\nEnglish -ol\nEnglish thiol\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"id\" : \"sulfur\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"is_uncertain\" : true, \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*dʰewh₂-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"θέειον\", \"status\" : \"inline\", \"lang\" : \"grc\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"Ancient Greek\", \"term\" : \"θεῖον\", \"gloss\" : \"sulfur\", \"lang\" : \"grc\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"English\", \"term\" : \"thio-\", \"status\" : \"ok\", \"lang\" : \"en\" }, { \"id\" : \"alcohol\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"transliteration\" : \"kuḥūl\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"antimony\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"alt\" : \"𒎎𒋆𒁉𒍣𒁕\", \"id\" : \"antimony\", \"children\" : [ ], \"transliteration\" : \"guḫlum\", \"status\" : \"ok\", \"lang_name\" : \"Akkadian\", \"term\" : \"guḫlum\", \"lang\" : \"akk\" } ], \"keyword\" : \"bor\" } ], \"transliteration\" : \"kuḥlā\", \"status\" : \"inline\", \"lang_name\" : \"Aramaic\", \"term\" : \"כוחלא\", \"lang\" : \"arc\" } ], \"keyword\" : \"bor\" }, { \"terms\" : [ { \"id\" : \"root\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Arabic\", \"term\" : \"ك ح ل\", \"lang\" : \"ar\" } ], \"keyword\" : \"root\", \"is_invisible\" : \"all\" } ], \"lang_name\" : \"Arabic\", \"term\" : \"كُحْل\", \"status\" : \"ok\", \"lang\" : \"ar\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Andalusian Arabic\", \"term\" : \"كُحُول\", \"status\" : \"inline\", \"lang\" : \"xaa\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"Medieval Latin\", \"term\" : \"alcohol\", \"status\" : \"ok\", \"lang\" : \"la-med\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"alcofol\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"alcohol\", \"status\" : \"ok\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-ol\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"thiol\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"thiol\">\nFrom thio- + -ol."
    },
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        "1": "en",
        "2": ":af",
        "3": "thio-",
        "4": "-ol<id:alcohol>",
        "tree": "1",
        "text": "+"
      },
      "expansion": "Etymology tree\nProto-Indo-European *dʰewh₂-der.?\nAncient Greek θέειον (théeion)\nAncient Greek θεῖον (theîon)der.\nEnglish thio-\nAkkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor.\nAramaic כוחלא (kuḥlā)bor.\nArabic كُحْل (kuḥl)\nAndalusian Arabic كُحُول (kuḥūl)bor.\nMedieval Latin alcoholbor.\nMiddle English alcofol\nEnglish alcohol\nEnglish -ol\nEnglish thiol\nFrom thio- + -ol."
    }
  ],
  "links": [
    [
      "*dʰewh₂-",
      "Reconstruction:Proto-Indo-European/dʰewh₂-"
    ],
    [
      "θέειον",
      "θέειον#Ancient_Greek"
    ],
    [
      "θεῖον",
      "θεῖον#Ancient_Greek:_sulfur"
    ],
    [
      "thio-",
      "thio-#English"
    ],
    [
      "𒎎𒋆𒁉𒍣𒁕",
      "guḫlum#Akkadian:_antimony"
    ],
    [
      "כוחלא",
      "כוחלא#Aramaic:_antimony"
    ],
    [
      "كُحْل",
      "كحل#Arabic"
    ],
    [
      "كُحُول",
      "كحول#Andalusian_Arabic"
    ],
    [
      "alcohol",
      "alcohol#Latin"
    ],
    [
      "alcofol",
      "alcofol#Middle_English"
    ],
    [
      "alcohol",
      "alcohol#English"
    ],
    [
      "-ol",
      "-ol#English:_alcohol"
    ],
    [
      "thio-",
      "thio-#English"
    ],
    [
      "-ol",
      "-ol#English:_alcohol"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
    {
      "pos": "noun",
      "glosses": [
        "A univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical."
      ],
      "tags": [],
      "recordId": "a6e239e3c059ae8f62dc8db8bdffdbe7362a5cd5d91dffcfac63cf90ca388c17",
      "rawRecordSha256": "702bed2c31974e942571d84366de4c42e2a3ab1aeccc4de10c7b9c23c2e3a80a",
      "sourceRecordOrdinal": 449054
    }
  ],
  "omittedAuxiliaryFields": {
    "templates": 0,
    "links": 0,
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    "descendants": 0,
    "lexicalRecords": 0,
    "lexicalSenses": 0,
    "glosses": 0
  }
}

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 thiol →

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-dGhpb2w