A chimpanzee or monkey; an informal or nickname-style term, sometimes used in older or colonial contexts.
From Portuguese 'joco' or Bantu 'yoko,' likely referring to primates in West African languages. The term entered English through colonial contact and trade in the 18th-19th centuries.
Jocko represents a fascinating mix of English vocabulary—it's one of the few animal names that came from African languages, showing how colonial trade networks shuffled words along with goods. The informality of the nickname-style term reveals attitudes about animals that have changed over time.
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