DNTLS

At the Learning of Irish · Oct 21, 2026 · 3m · transcript

Typically speaking, though there are always exceptions, when any two of the DNTLS letters meet, the second word will not receive a séímhiú or urú.

This means that if a word ends in D, N, T, L, or S, and the word following it should have a séimhiú according to the rules of grammar, it wil lnot receive one if it, too, starts with D, N, T, L, or S.

This is most often triggered by the definite article “an” which ends in an “n,” one of the DNTLS.

· As we know, feminine nouns generally get a séimhiú after the definite article “an.” If those nouns begin with D, N, T, L, or S, they will not get one…