1744, "public room for music or dancing," from It. casino, dim. of casa "house," from L. casa "hut, shed," of uncertain origin. The card game is attested by that name from 1792.
c.1300, cheisible, from O.Fr. chesible (Mod.Fr. chasuble), from M.L. cassubula, from L.L. *casipula, from L. casula, dim. of casa "cottage, house" (see casino), used by c.400 in transf. sense of "outer garment."