spray (n.1)

"small branch," mid-13c., of uncertain origin. Perhaps related to Old English spræc "shoot, twig" (see sprig), and compare Danish sprag in same sense.

spray (n.2)

"water blown by waves," 1620s, from spray (v.).

spray (v.)

"sprinkle liquid in drops," 1520s, from Middle Dutch sprayen, from Proto-Germanic *sprewjan (source also of German sprühen "to sparkle, drizzle," Spreu "chaff," literally "that which flies about"), from extended form of PIE root *sper- (4) "to sow, scatter" (see sprout (v.)). Related: Sprayed; spraying.