coiri

Usage notes
A homophone of the nominative singular, but the -i spelling is used for other forms. The Old Irish accusative singular, dative singular , and genitive singular / nominative plural became homophonous in Middle Irish. Under an alternative analysis, was feminine, making  the expected Old Irish form of the accusative singular, dative singular, and nominative plural; but this is unlikely since the modern descendants as well the Welsh cognate  are all masculine.