Ancient Greek ἦτορ

← Old English ǣdre (cognate)

← Proto-Indo-European *h₁eh₁tr̥ (inherited)

← Latin uterus (cognate)

← Old Irish inathar (cognate)

→ English edder (cognate)

→ Old English ædre (cognate)

→ Middle English edre (mention)

→ Ancient Greek μεγαλήτωρ (affix)