unfriend · noun1
- Middle English · inherited fromunfreend
- English todayunfriend
From Middle English unfreend, onfrend, equivalent to un- (noun/adjective prefix) + friend. Cognate with Scots unfrend (“unfriend”). Compare Old English unfriþmann, unwine.
unfriend · verb2
From un- (verb prefix) + friend. Compare Dutch ontvrienden (“to unfriend”), German entfreunden (“to unfriend”).
Etymology from Wiktionary, CC BY-SA 4.0.