Old English þunor

← Old Church Slavonic стенати (cognate)

← Proto-West Germanic *þunr (inherited)

← Ancient Greek στένω (cognate)

← Latin tonō (cognate)

← Lithuanian steneti (cognate)

← Russian стена́ть (cognate)

← Sanskrit स्तनति (cognate)

→ English thunder (inherited)

→ Old English þunrian (affix)

→ Middle English thonder (inherited)

→ Middle English thonder (mention)

→ Old High German donar (cognate)

→ Ancient Greek Στέντωρ (cognate)

→ Old Norse Þórr (mention)

→ Sanskrit स्तनति (cognate)

→ Yola dhunder (inherited)