feasach
Definitions (by source)
go f. ag foghluim 3434.
The Book of O'Hara: Leabhar Í Eadhra. Editor: Lambert McKenna S.J.
acquainted, instructed, 248; is feasach sinn, ‘scimus,’ 2218; munab f. thú, ‘nisi scias,’ 3524; known, níorbh fh. dhamh é, ‘nescivi,’ 2973; is f. linn, 8002
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.