Meaning

noun a friend who is frequently in the company of another

noun a fellow member of the Communist Party

noun used as a term of address for those male persons engaged in the same movement

originFrom earlier cumrade, camrade, comerade, camerade, camarade, from Middle French camarade, from Spanish camarada or Italian camerata (“chamber mate”), from Medieval Latin *camarata, from Latin camara, camera (“vaulted room, chamber”); see chamber. Compare camaraderie and chamberlain.

Etymology from Wiktionary, CC BY-SA 3.0