Meaning

noun the force of workers available

noun an adult person who is male (as opposed to a woman)

noun someone who serves in the armed forces; a member of a military force

originFrom Middle English men, from Old English menn (“people”), from Proto-Germanic *manniz, nominative plural of Proto-Germanic *mann- (“person”). Cognate with German Männer (“men”), Danish mænd (“men”), Swedish män (“men”). More at man.

Etymology from Wiktionary, CC BY-SA 3.0