Scrabble (n.)

board game, 1949, proprietary name (registered U.S.), probably from scribble-scrabble "hasty writing" (1580s), a reduplication of scribble (n.).

scrabble (v.)

1530s, "to scrawl, scribble," from Dutch schrabbelen, frequentative of schrabben "to scratch," from PIE root *sker- (1) "to cut." Meaning "to struggle, scramble" first recorded 1630s. Related: Scrabbled; scrabbling.