Coca

google

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late 16th century: from Spanish, from Aymara kuka or Quechua koka .

wiktionary

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Borrowed from Spanish coca, from Quechua kuka, perhaps from Aymara.

Borrowed from Catalan coca. Doublet of cake.

etymonline

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coca (n.)

South American plant, 1570s, from Spanish coca, from Quechua (Inca) cuca, which is perhaps ultimately from the related Aymara, a native language of Bolivia.