The story
- Proto-Germanic · derived from*eudarą
- Old Norse · derived fromjúr
- Middle English · inherited fromȝowre
- English todayyure
From Middle English ȝowre, from Old Norse júr, júgr (“udder”), from Proto-Germanic *eudarą, *ūdarą. More at udder.
Etymology from Wiktionary, CC BY-SA 4.0.