Cirque

wiktionary

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Borrowed from French cirque(“circular arena; cirque”), from Latin circus(“circle, ring”), from Ancient Greek κίρκος(kírkos, “circle, ring; racecourse, circus”), possibly ultimately from Proto-Indo-European *(s)ker-(“to bend; to turn”). [1] Doublet of circus.

etymonline

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cirque (n.)

c. 1600, "a circus," from French cirque (14c.), from Latin circus (see circus). Compare Italian and Spanish circo.