What language is the word quinceañera taken from?

The word quinceañera comes from Spanish.

It is formed from quince, meaning 15, together with a feminine ending associated with a young woman. The term is used throughout Spanish-speaking communities and has also entered English as the usual name for the celebration marking a girl’s fifteenth birthday.

The Spanish origin reflects the tradition’s strong connections with Latin American and Latino cultures. However, the celebration is not identical in every Spanish-speaking country. Families adapt the event according to local customs, religion, social setting, budget, and personal preference.

In English, quinceañera can refer either to the young woman being honored or to the event itself, depending on context. That dual use sometimes causes confusion for learners. The related adjective quinceañero is used in some contexts for a male fifteenth-birthday celebration, though usage is less uniform.