What is the Spanish phrase meaning “15 years” behind the word quinceañera?

The Spanish phrase behind the word quinceañera is quince años, meaning “15 years.”

Quinceañera is derived from this phrase and is commonly used for both the young woman celebrating her 15th birthday and the celebration itself. In Spanish, the feminine ending reflects the traditional focus on a girl’s transition into young womanhood.

The term appears in several related expressions. A quinceañera may also be called a fiesta de quince años or quince, depending on the country and community. English-language families frequently use quince as a shortened form.

The wording does not describe a particular dress, dance, meal, or religious rite. Those elements are common traditions, but the central definition comes from the age being marked. Regional vocabulary and pronunciation can vary while retaining the same basic meaning.