dofonaig

Etymology
Formed with. The verb stem cannot be directly, since it would have resulted in a  via raising and palatalization of the -n-. Uhlich believes that the lack of palatalization arose under influence of related verbal nouns like.

Uhlich assumes that the verbal nouns were formed from an o-grade stem *noig-. Given how root-based neuter o-stem nouns are generally formed with the e-grade and zero-grade and not the o-grade, Gordon instead believes that the verbal noun's stem was either e-grade *nēg- or zero-grade nig-. itself gives no indication of which, since palatalization would have been lost anyway due to syncope of the o in. Both  and  exist in Early Irish, meaning they are of no help either in finding out which stem grade the verbal nouns originally used.

Verb

 * 1) to wash away