Where does “Alex” come from?

Alex (Finnish) comes from English Alex, from English Alexandria, from Latin Alexandrea, from Ancient Greek Ἀλεξάνδρεια, from Ancient Greek Ἀλέξανδρος, from Ancient Greek ἀλέξω, from Ancient Greek ἀνδρός, from Ancient Greek ἀνήρ — man.

Ancestry of “Alex”, step by step

StepLanguageWordMeaning
1EnglishAlex
2EnglishAlexandriafamed for its ancient library and lighthouse
3LatinAlexandreaAlexandria several cities in the Hellenistic world, but most especially an ancient capital of Egypt
4Ancient GreekἈλεξάνδρειαAlexandria
5Ancient GreekἈλέξανδροςAlexander
6Ancient Greekἀλέξωto keep off, turn aside; to guard, protect,...
7Ancient Greekἀνδρόςgenitive singular of ἀνήρ; man; of man
8Ancient Greekἀνήρman; husband; human being, as opposed to a god
9Proto-Hellenic*anḗrman
Every word from Proto-Hellenic *anḗrEvery word from Ancient Greek ἀνήρEvery word from Ancient Greek ἀνδρός