Where does “συμμαχέω” come from?

συμμαχέω (Ancient Greek) comes from Ancient Greek Σύμμαχος, from Ancient Greek μάχη, from Ancient Greek μάχομαι, from Proto-Indo-European maHgʰ- — to fight.

συμμαχέω (Ancient Greek): to be an ally, to be in alliance

Definitions

to be an ally, to be in alliance

Ancestry of “συμμαχέω”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Σύμμαχος	fighting along with, leagued or allied with
2	Ancient Greek	μάχη	battle, combat; quarrel, strife, dispute;...
3	Ancient Greek	μάχομαι	I make war, fight, battle; I quarrel, wrangle,...
4	Proto-Indo-European	maHgʰ-	to fight

Every word from Proto-Indo-European maHgʰ- →Every word from Ancient Greek μάχομαι →Every word from Ancient Greek μάχη →