Chef

google

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early 19th century: French, literally ‘head’.

wiktionary

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Borrowed from French chef (from the positions of chef d'office and chef de cuisine), [1] from Old French chief(“head, leader”) (English chief), from Vulgar Latin capus(“head”) (from which also captain, chieftain), from Latin caput(“head”) (English cap(“head covering”)), from Proto-Indo-European *kauput- (English head).

etymonline

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chef (n.)

"head cook," 1842, from French chef, short for chef de cuisine, literally "head of the kitchen," from Old French chief "leader, ruler, head" (see chief (n.)).