The story
- Proto-West Germanic · inherited from*hārīn
- Old English · inherited fromhǣren“made of hair”
- Middle English · inherited fromheeren
- English todayhairen
From Middle English heeren, from Old English hǣren (“made of hair”), from Proto-West Germanic *hārīn, equivalent to hair + -en (“made of”). Cognate with Scots hairen, hairn, herin (“made of hair”), German hären (“made of hair”).
Etymology from Wiktionary, CC BY-SA 4.0.