Disc

google

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mid 17th century (originally referring to the seemingly flat circular form of the sun or moon): from French disque or Latin discus (see discus).

wiktionary

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From French disque, from Latin discus, from Ancient Greek δίσκος(dískos, “disk, quoit, platter”). Doublet of dais, desk, discus, dish, disk, and diskos.

etymonline

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disc (n.)

Latinate spelling preferred in British English for most uses of disk (q.v.). American English tends to use it in the musical recording sense (1888); originally of phonograph records, recently of compact discs.