Dafenian

According to the Old English Dictionary:

dafnian;

dafenian

p. ode; pp. od To be seemly or becoming; decere :-- Swá swá dafnaþ munuce as becomes a monk; sicut decet monacho, Coll. Monast. Th. 35, 5. DER. ge-dafenian, -dafnian. dafenian