Un-gewuna

According to the Old English Dictionary:

un-gewuna

adj. Unaccustomed, unused :-- Micel gedál is on ðam mægene ðæs ðe sié gewin (-wun?) þrowungum and ðæs ðe sié ungewuna swelcum þingum, Lchdm. ii. 84, 19. [Cf. O. H. Ger. un-giwon inusitatus, insolens, novus.) un-gewuna