*SET-U

English word origin

Etymology of Plato

Etymology tree Proto-Indo-European *pleth₂- Proto-Indo-European *-us Proto-Indo-European *pléth₂us Proto-Hellenic *plətús Ancient Greek πλᾰτῠ́ς (plătŭ́s) Proto-Indo-European *-ō Ancient Greek -ων (-ōn) Ancient Greek Πλάτ

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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 ↗
name

A male given name from Ancient Greek. · The Greek philosopher, 427–347 BC, follower of Socrates.

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

Etymology tree Proto-Indo-European *pleth₂- Proto-Indo-European *-us Proto-Indo-European *pléth₂us Proto-Hellenic *plətús Ancient Greek πλᾰτῠ́ς (plătŭ́s) Proto-Indo-European *-ō Ancient Greek -ων (-ōn) Ancient Greek Πλάτων (Plátōn)bor. Latin Platōbor. Middle English Plato English Plato From Middle English Plato, Platon, from Latin Platō, Platōn, from Ancient Greek Πλάτων (Plátōn), from πλατύς (platús, “broad, wide”), either because of Plato's robust body, or wide forehead or the breadth of his eloquence.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

Inspect preserved source fields

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

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      "args": {
        "1": "en",
        "2": ":inh",
        "3": "enm:Plato<ety:bor<la:Platō>>",
        "tree": "1"
      },
      "expansion": "Etymology tree\nProto-Indo-European *pleth₂-\nProto-Indo-European *-us\nProto-Indo-European *pléth₂us\nProto-Hellenic *plətús\nAncient Greek πλᾰτῠ́ς (plătŭ́s)\nProto-Indo-European *-ō\nAncient Greek -ων (-ōn)\nAncient Greek Πλάτων (Plátōn)bor.\nLatin Platōbor.\nMiddle English Plato\nEnglish Plato\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"gloss\" : \"broad; wide\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"flat\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*pleth₂-\", \"lang\" : \"ine-pro\" }, { \"id\" : \"Caland system\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-us\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*pléth₂us\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Proto-Hellenic\", \"term\" : \"*plətús\", \"status\" : \"ok\", \"lang\" : \"grk-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"πλᾰτῠ́ς\", \"status\" : \"ok\", \"lang\" : \"grc\", \"pos\" : \"either because of Plato's robust body, wide forehead<span class=\\\"serial-comma\\\">,<\\/span> or the breadth of his eloquence\" }, { \"id\" : \"nominalisation\", \"children\" : [ { \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-ō\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Ancient Greek\", \"term\" : \"-ων\", \"lang\" : \"grc\", \"pos\" : \"suffix nominalizing adjectives\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"Πλάτων\", \"status\" : \"ok\", \"lang\" : \"grc\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"Latin\", \"term\" : \"Platō\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"Middle English\", \"term\" : \"Plato\", \"status\" : \"inline\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"Plato\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"Plato\">"
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      },
      "expansion": "Middle English Plato, Platon"
    },
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      },
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    },
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    }
  ],
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      "Reconstruction:Proto-Indo-European/pleth₂-#Proto-Indo-European:_flat"
    ],
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      "*-us",
      "Reconstruction:Proto-Indo-European/-us#Proto-Indo-European:_Caland_system"
    ],
    [
      "*pléth₂us",
      "Reconstruction:Proto-Indo-European/pléth₂us"
    ],
    [
      "*plətús",
      "Reconstruction:Proto-Hellenic/plətús"
    ],
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      "πλᾰτῠ́ς",
      "πλατύς#Ancient_Greek"
    ],
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      "*-ō",
      "Reconstruction:Proto-Indo-European/-ō"
    ],
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    ],
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      "Πλάτων",
      "Πλάτων#Ancient_Greek"
    ],
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      "Plato#Latin"
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      "Plato",
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      "Plato",
      "Plato#Middle_English"
    ],
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      "Platon",
      "Platon#Middle_English"
    ],
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    ],
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      "Platon#Latin"
    ],
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      "Πλάτων",
      "Πλάτων#Ancient_Greek"
    ],
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      "πλατύς",
      "πλατύς#Ancient_Greek"
    ]
  ],
  "references": [],
  "descendants": [],
  "lexical": [
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      "glosses": [
        "A male given name from Ancient Greek.",
        "The Greek philosopher, 427–347 BC, follower of Socrates."
      ],
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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 Plato →

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-UGxhdG8