Asse-dun

According to the Old English Dictionary:

Asse-dun

adj. [asse asina; or asce ash, cinis; dun dun or grey, fuscus] ASS-DUN or ASH-DUN, of a dun or dark colour; dosinus, cinereus :-- Assedun dosinus vel cinereus, Ælfc. Gl. 79; Wrt. Voc. 46, 39. ' Glossæ Isidori : Dosius vel dosinus, equus asinini pili,' Du Cange. asse-dun