What's the difference between i.e. and e.g.?
1590s, "one who shares the same room," from Middle French camarade (16c.), from Spanish camarada "chamber mate," originally "chamberful," from Latin camera (see camera). In Spanish, a collective noun referring to one's company. In 17c., sometimes jocularly misspelled comrogue. Related: Comradely; comradeship.