tau.
tau; the Greek letter Τ, τ
Meaning & usage
tau; the Greek letter Τ, τ
tauon (elementary particle)
tau cross
Where this word comes from
From Ancient Greek ταῦ (taû) and Hebrew תָּו (tav).
taw (22nd and last letter of the Hebrew alphabet)
alternative form of tao (“tau cross”).
Where this word comes from
From Ancient Greek ταῦ (taû) and Hebrew תָּו (tav).
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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.