Where does “александрин” come from?

александрин (Bulgarian) comes from French Alexandrin, from Latin alexandrinus, from Ancient Greek Ἀλεξανδρῖνος, from Ancient Greek Ἀλέξανδρος, from Ancient Greek ἀλέξω, from Ancient Greek ἀνδρός, from Ancient Greek ἀνήρ, from Proto-Hellenic *anḗr — man.

александрин (Bulgarian): alexandrine line of poetic meter having twelve syllables, usually divided into two or three equal parts

Definitions

alexandrine line of poetic meter having twelve syllables, usually divided into two or three equal parts

Ancestry of “александрин”, step by step

Step	Language	Word	Meaning
1	French	Alexandrin	Alexandrian
2	Latin	alexandrinus	Alexandrian Alexandrine of
3	Ancient Greek	Ἀλεξανδρῖνος	of Alexandria, Alexandrian
4	Ancient Greek	Ἀλέξανδρος	Alexander
5	Ancient Greek	ἀλέξω	to keep off, turn aside; to guard, protect,...
6	Ancient Greek	ἀνδρός	genitive singular of ἀνήρ; man; of man
7	Ancient Greek	ἀνήρ	man; husband; human being, as opposed to a god
8	Proto-Hellenic	*anḗr	man

Every word from Proto-Hellenic *anḗr →Every word from Ancient Greek ἀνήρ →Every word from Ancient Greek ἀνδρός →