Latin aro

← Old English erian (cognate)

← Old Church Slavonic орати (cognate)

← English ear#Etymology_3 (cognate)

← Ancient Greek ἀρόω (cognate)

← Proto-Indo-European *h₂erh₃- (root)

← Proto-Indo-European *h₂éryeti (inherited)

← Proto-Indo-European *h₂erh₃- (mention)

← Proto-Italic *araō (inherited)

← Lithuanian arti (cognate)

→ Dalmatian arur (inherited)

→ Latin aratrum (suffix)

→ Latin arabilis (affix)