alt Hacker NewsCitation? Wikipedia has a clear Greek etymology:
> Alexander, originally from the Greek Ἀλέξανδρος (Aléxandros), from αλέξειν aléxein meaning "to ward off, keep off, turn away, defend, protect" and ἀνδρός andrós, genitive of ἀνήρ anḗr meaning "man".
> Meaning "Defender, protector of man"
https://en.wikipedia.org/wiki/Alaksandu ok, might have got it wrong, but there names in the Hittite clay tables which are also in the Iliad