quinceañera

quinceañera or quin·ce·a·ne·ra [keen-sey-ah-nyair-uh] Word Origin noun

1. (among Hispanics in Latin America and the U.S.) a celebration of a girl’s 15th birthday, marking her transition from childhood to maturity.

Origin of quinceañera 1970–75; Spanish, feminine of quinceañero 15-year-old quince 15 (Latin quīndecim) + año year ( Latin annus) + -ero adj. suffix (Latin -ārius)