tiach

Irish

Alternative forms

• tiagh

Etymology

From Old Irish tíag (“wallet, satchel”), from Latin thēca (“case, envelope, sheath”), from Ancient Greek θήκη (thḗkē, “a case, box, receptacle”), from τίθημι (títhēmi, “put, set, place”).

Noun

tiach f (genitive singular téiche, nominative plural tiacha)

1. (dated) knapsack, satchel
2. (microbiology) theca

Declension

Declension of tiach (second declension)

bare forms case singular plural nominative tiach tiacha vocative a thiach a thiacha genitive téiche tiach dative tiach téich (archaic, dialectal) tiacha forms with the definite article case singular plural nominative an tiach na tiacha genitive na téiche na dtiach dative leis an tiach leis an téich (archaic, dialectal) don tiach don téich (archaic, dialectal) leis na tiacha

Derived terms

• hipithiach
• tiachán
• tiachóg

Mutation

Mutated forms of tiach

radical	lenition	eclipsis
tiach	thiach	dtiach

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

Further reading

• Dinneen, Patrick S. (1927) “tiach”, in Foclóir Gaeḋilge agus Béarla, 2nd edition, Dublin: Irish Texts Society
• “tiach”, in The National Terminology Database for Irish, Fiontar & Scoil na Gaeilge, DCU and Foras na Gaeilge, 2006–2024