Elaboration of pool and pyramids

An etymological dictionary of Modern English. By Ernest Weekley. 1921. P.1369

snooker. Elaboration of pool and pyramids. Late 19 cent. Origin unknow. ? Arbitrary (cf. spoof)

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spoof. Invented by Arthur Roberts (born 1852).

I knew at times she was deceiving me, and I spoofed (Witness in treason trial, March 7, 1917).