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Definition 2024

trínarb ‎(form used before a consonant trínar) (used before a vowel sound)

through which/whom is
- Revenue: Irish Tax and Customs, Próiseáil faoi Rialú Custaim / Processing under Customs Control:
  I gcásanna áirithe, is féidir le trádálaithe iarratas a chur isteach ar Phróiseáil Isteach agus ar Phróiseáil faoi Rialú Custaim le nós imeachta simplithe trínarb ionann an dearbhú iontrála earraí agus iarratas ar an nós imeachta.
  In some instances traders may apply for Inward Processing and Processing under Customs Control using a simplified procedure whereby the declaration of entry for the goods constitutes an application for the procedure.

Especially in the spoken language, it is more common to use the indirect relative particle ar with a resumptive prepositional pronoun:

nós imeachta arb ionann an dá rud tríd‎ ― a procedure through which the two things are the same

Irish copular forms

Simple copular forms

Compound copular forms

Note: Forms marked ^v are used before a vowel sound.

Irish preposition contractions

Basic form	Contracted with							Copular forms
Basic form	an ‎(“the sg”)	na ‎(“the pl”)	mo ‎(“my”)	do ‎(“your”)	a ‎(“his, her, their; which (present)”)	ár ‎(“our”)	ar ‎(“which (past)”)	(before consonant)	(present/future before vowel)	(past/conditional before vowel)
de ‎(“from”)	den	de na desna*	de mo dem*	de do ded, det	dá	dár		dar	darb	darbh
do ‎(“to, for”)	don	do na dosna*	do mo dom*	do do dod, dot	dá	dár		dar	darb	darbh
faoi ‎(“under, about”)	faoin	faoi na	faoi mo	faoi do	faoina	faoinár	faoinar		faoinarb	faoinarbh
i ‎(“in”)	sa, san	sna	i mo im*	i do id, it	ina	inár	inar		inarb	inarbh
le ‎(“with”)	leis an	leis na	le mo lem*	le do led, let	lena	lenár	lenar		lenarb	lenarbh
ó ‎(“from, since”)	ón	ó na ósna*	ó mo óm*	ó do ód, ót	óna	ónár	ónar		ónarb	ónarbh
trí ‎(“through”)	tríd an	trí na	trí mo	trí do	trína	trínár	trínar		trínarb	trínarbh
*Dialectal.