Where does “polemarch” come from?

polemarch (English) comes from Latin polemarchus, from Ancient Greek πολέμαρχος, from Ancient Greek ἀρχός — ruler, leader, prince.

polemarch (English): The military commander in chief in Athens; A...

Definitions

Step	Language	Word	Meaning
1	Latin	polemarchus	—
2	Ancient Greek	πολέμαρχος	—
3	Ancient Greek	ἀρχός	ruler, leader, prince

polemarch — Etymology, Origin & Word History | Etymology Explorer