The story
- Old English · inherited fromunwīs“unwise, foolish, ignorant, uninformed, insane”
- Middle English · inherited fromunwis
- English todayunwise
From Middle English unwis, from Old English unwīs (“unwise, foolish, ignorant, uninformed, insane”), equivalent to un- + wise. Cognate with Dutch onwijs (“unwise”), German unweise (“unwise”), Danish uvis (“unwise”), Swedish ovis (“unwise”), Icelandic óvís (“unwise”).
Etymology from Wiktionary, CC BY-SA 4.0.