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"sprinkle liquid in drops," 1520s, from Middle Dutch sprayen, from Proto-Germanic *spræwjanan (cf. German sprühen "to sparkle, drizzle," Spreu "chaff," literally "that which flies about"), from PIE root *sper- "to sow, scatter" (see sprout (v.)). The noun is attested from 1620s. Spray-painting is from 1902; spray-paint (v.) is from 1928.
"small branch," c.1300, possibly related to Old English spræc "shoot, twig" (see sprig).
A fine jet of liquid discharged from a pressurized container. v. sprayed, spray·ing, sprays
To disperse a liquid in a jet of droplets.