late Old English, cemes "shirt," from Old French chemise "shirt, undertunic, shift," or directly from Late Latin camisia "shirt, tunic" (Jerome; also source of Italian camicia, Spanish camisa); originally a soldier's word, probably via Gaulish, from Proto-Germanic *khamithjan (cf. Old Frisian hemethe, Old Saxon hemithi, Old English hemeðe, German hemd "shirt"), from PIE root *kem- "to cover, cloak" (cf. heaven). The French form took over after c.1200. Related: Chemisette.