Late 18th century; earliest use found in Thomas Jones (1742–1803), landscape painter. From Italian mancia tip, gratuity, probably from Old French manche in the sense ‘gift of a sleeve given by a lady (as a chivalric token)’.
Definition of mancia in US English:
mancia
nounˈmantʃɪə
rare
A gratuity, tip.
Origin
Late 18th century; earliest use found in Thomas Jones (1742–1803), landscape painter. From Italian mancia tip, gratuity, probably from Old French manche in the sense ‘gift of a sleeve given by a lady (as a chivalric token)’.