Ancient Greek ἁ-

← Proto-Hellenic *hə- (inherited)

← Proto-Indo-European *sem- (root)

← Proto-Indo-European (inherited)

← Proto-Indo-European *sem- (mention)

→ English Hades (mention)

→ Greek αδελφός (affix)

→ Greek αδελφή (affix)

→ Ancient Greek ᾍδης (prefix)

→ Ancient Greek ἀδελφός (affix)

→ Ancient Greek Ἄτλας (mention)

→ Ancient Greek ἁπλόος (affix)

→ Ancient Greek ἄλοχος (affix)

→ Ancient Greek ἀτάλαντος (affix)

→ Russian су- (mention)