enchilada

Enchilada is a Mexican Spanish word, the feminine past participle of enchilar, meaning 'to season with chili' or 'to apply chili to.' The verb enchilar is constructed from the prefix en- (meaning 'in' or 'with,' from Latin in-) and chile, the Spanish borrowing of the Nahuatl word chīlli, the Aztec name for the chili pepper plant and its fruit. So the word enchilada means literally 'chili-ed' — a thing that has been treated with chili. The suffix -ada (the feminine past participle ending) indicates that something has been done to the object, the way 'marinated' means treated with marinade. An enchilada is a corn tortilla that has been dipped in or coated with chili sauce.

The Nahuatl root chīlli is the core of this etymology. Nahuatl is the language of the Aztec (Mexica) civilization, spoken from the Central Mexican highlands across the Aztec Empire at the time of the Spanish conquest (1519–1521). Chili peppers (genus Capsicum) are native to the Americas — they were domesticated in Mexico and the Andes over seven thousand years ago — and were central to Aztec and pre-Aztec cuisines. Spanish colonizers encountered them and borrowed the Nahuatl name, which then spread globally as 'chile' or 'chili.' The first documentary reference to what might be called an enchilada appears in a Nahuatl-Spanish source from 1569, describing a corn tortilla dipped in chili sauce. By the time of the first Mexican cookbook, El cocinero mexicano (1831), the enchilada was a recognized dish.

Enchiladas vary enormously by region across Mexico. The sauce may be red (made from dried red chilis, tomatoes, and aromatics), green (made from tomatillos and green chilis), mole (the complex Oaxacan sauce), or simply chili-flavored oil. The filling varies: chicken, beef, cheese, beans, or vegetables. The form of the dish — sauce-soaked tortilla wrapped around filling — is the constant. In the Mexican state of Oaxaca, enchiladas are often flatter and less saucy; in the northern states, they resemble the saucier, cheese-topped versions familiar in Tex-Mex cuisine. The Tex-Mex enchilada, with its abundant melted cheese and red sauce, became the version most Americans encountered first.

The phrase 'the whole enchilada' entered American English slang by the 1960s–70s, meaning 'the whole thing,' 'everything involved.' The origin of this expression is uncertain but clearly arose from American familiarity with Mexican food culture. 'The big enchilada' — referring to an important person — had a brief life in Watergate-era political slang (it appears in Nixon White House transcripts). Both phrases have faded somewhat but remain recognizable idioms, testimony to how deeply the word had embedded in American English by the mid-twentieth century.