Old English tǣċan

→ English teach (inherited)

→ Old English mistæcan (prefix)

→ Old English betæcan (prefix)

→ Old English tæcing (affix)

→ Old English tæcung (affix)

→ Middle English techen (inherited)

→ Ancient Greek δείκνυμι (cognate)

→ Latin digitus (mention)

→ Latin dico (cognate)

→ Sanskrit दिशति (cognate)

→ Yola teach (inherited)