Where does “Ᾰ̓μᾰζών” come from?

Ᾰ̓μᾰζών (Ancient Greek) comes from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

Ᾰ̓μᾰζών (Ancient Greek): Amazons, a nation of female warriors from western...