The story
- Proto-West Germanic · inherited from*taisijan“to separate, tug, shred”
- Old English · inherited fromtǣsan“to tease”
- Middle English · inherited fromtesen
- English todaytease
From Middle English tesen, from Old English tǣsan (“to tease”), from Proto-West Germanic *taisijan (“to separate, tug, shred”).
Etymology from Wiktionary, CC BY-SA 4.0.