Ancient Greek ἀστρολόγος

← Ancient Greek ἀστήρ (affix)

← Ancient Greek λέγω (affix)

← Ancient Greek -ος (affix)

← Proto-Indo-European *leǵ- (root)

→ Irish astralaí (borrowed)

→ Irish asarlaí (derived)

→ Italian astrologo (derived)

→ Romanian astrolog (borrowed)

→ Old Armenian աստեղաբան (calque)