←
Ancient Greek ἀκτίς (derived)←
Proto-Hellenic (derived)←
Proto-Indo-European *negʷ- (root)←
Proto-Indo-European (derived)←
Proto-Indo-European *nókʷts (mention)←
Proto-Indo-European *negʷ- (mention)←
Proto-Indo-European *-yōs (derived)←
Old Latin -iōs (derived)←
Proto-Italic *-jos (derived)