The story
- Proto-Germanic · inherited from*taihtē
- Old English · inherited fromtāhte
- Middle English · inherited fromtaught(e)
- English todaytaught
From Middle English taught(e), tau(h)t(e), from Old English tāhte, tǣhte, from Proto-Germanic *taihtē.
Etymology from Wiktionary, CC BY-SA 4.0.