How “i rith” works
The noun after i rith goes into the genitive, the same way it does after a noun: Bím ag obair i rith an lae.
i rithduring
+an láthe day
=i rith an laeduring the day
Le linn and i gcaitheamh also mean during.
“I rith” in a sentence
Bím ag obair i rith an lae.
I work during the day.
Tháinig sé i rith na seachtaine.
He came during the week.
Bhí sé ciúin i rith na hoíche.
It was quiet during the night.
Other compound prepositions
ar feadhfor (a length of time), throughoutgo ceannfor the next, until the end ofi gceannin (a time from now), at the end oftar éisafteri ndiaidhafter, behindar sonfor the sake of, on behalf of, forthar ceannon behalf ofin aghaidhagainst, peri gcoinneagainstin ionadinstead of, in place ofde réiraccording tode bharrbecause of, as a result of
I rith in Irish: the questions people ask
What does i rith mean in Irish?
i rith means during, throughout (a time): Bím ag obair i rith an lae. I work during the day.
Does i rith take the genitive?
Yes. The noun after i rith is in the genitive case: Bím ag obair i rith an lae. The noun with the article is an lá, and after i rith it becomes an lae.
Anything else about i rith?
Le linn and i gcaitheamh also mean during.