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LATIN · A WORD WITH POSSIBILITIES

tertius.

third

7 characters2 syllables approx.Latina language

Meaning & usage

num[ˈtɛr.ti.ʊs]Classical-Latin[ˈtɛr.t͡si.us]

  1. third

    declension-1 · declension-2 · numeral
Where this word comes from

Etymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Indo-European *-tós Proto-Indo-European *tritós Proto-Italic *tritios Latin tertius From Proto-Italic *tritios, from Proto-Indo-European *tr̥tyós ~ *tritós, ordinal form of *tréyes. Akin to Ancient Greek τρίτος (trítos), Proto-Germanic *þridjô and Proto-Slavic *tretь.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.