spray of salt water blown along the surf of the sea in heavy winds, c. 1600, Scottish formation from verb spene, alteration of spoon "to sail before the wind" (1570s, of uncertain origin) + drift (n.). "Common in English writers from c 1880, probably at first under the influence of W. Black's novels" [OED].[spindrift etymology, spindrift origin, 英语词源]