Reconstruction:Proto-Brythonic/-ɨnn

Etymology
From. Cognate with 🇨🇬.

Reconstruction notes
In Breton, the merger of the reflexes of *ɨ and *e led to the collapse of the masculine-feminine distinction with, and in that language only the feminine suffix continues to be productive. In is attested, but it is unclear if this reflects inheritance from  or a secondary development from.