The story
- Proto-Germanic · inherited from*unhailaz“not whole; unhealthy”
- Old English · inherited fromunhāl“unwhole; unhealthy; sick; infirm”
- Middle English · inherited fromunhole
- English todayunwhole
From Middle English unhole, unhol, unhal, from Old English unhāl (“unwhole; unhealthy; sick; infirm”), from Proto-Germanic *unhailaz (“not whole; unhealthy”), equivalent to un- + whole. Cognate with Old High German unheil, Old Norse úheill, Gothic 𐌿𐌽𐌷𐌰𐌹𐌻𐍃 (unhails).
Etymology from Wiktionary, CC BY-SA 4.0.