Años is the Spanish word for “years” in the phrase quince años behind the name quinceañera.
Quince años literally means “fifteen years.” The phrase identifies the age being marked and helps explain why the celebration is tied specifically to a fifteenth birthday. In Spanish, the ñ in años is essential: anos without the tilde is a different spelling and does not mean “years.”
The word quinceañera is related to this age expression but functions as a noun for the female celebrant or the celebration itself, depending on usage. Spanish-speaking communities may also use quinceañero for a male celebrant. These grammatical forms vary by gender and context, while the age reference remains the same.