Nachos

google

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1940s: perhaps from Mexican SpanishNacho, pet form of Ignacio, the first name of the chef credited with creating the dish. An alternative derivation is from Spanish nacho ‘flat-nosed’.

wiktionary

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Borrowed from Spanish nachos, from Nacho. Nacho is a common diminutive form of Ignacio in Spanish. The Mexican creator of the dish, Ignacio Anaya, named it after himself. [1]

nachos ( uncountable)

etymonline

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nachos (n.)

see nacho.