Where does “ἀλεκτορομαχία” come from?

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

Ancestry of “ἀλεκτορομαχία”, step by step

ἀλεκτορομαχία traces back through two separate lines of ancestry.

via Ancient Greek ἀλέκτωρ

Step	Language	Word	Meaning
1	Ancient Greek	ἀλέκτωρ	cock, rooster; husband, consort; unwedded
2	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
3	Proto-Hellenic	hə-	same; together
4	Proto-Indo-European	sm̥-	one; with, together
5	Proto-Indo-European	sem-	together, one

via Ancient Greek μάχη

Step	Language	Word	Meaning
1	Ancient Greek	μάχη	battle, combat; quarrel, strife, dispute;...
2	Ancient Greek	μάχομαι	I make war, fight, battle; I quarrel, wrangle,...
3	Proto-Indo-European	maHgʰ-	to fight

Words derived from “ἀλεκτορομαχία”

alectoromachy

Every word from Proto-Indo-European sem- →Every word from Ancient Greek ἀ- →Every word from Proto-Indo-European sm̥- →