Where does “Σλάβος” come from?
Σλάβος (Greek) comes from Ancient Greek Σκλάβος, from Ancient Greek Σκλαβηνός, from Proto-Slavic slověninъ, from Proto-Slavic slovo, from Proto-Balto-Slavic ślawas, from Proto-Indo-European ḱléwos, from Proto-Indo-European ḱlew-, from Proto-Indo-European ḱel- — to cover; to incline.
Σλάβος (Greek): Slav
Ancestry of “Σλάβος”, step by step