scrabble (v.)
1530s, "to scrawl, scribble," from Dutch schrabbelen, frequentative of schrabben "to scratch," from the same root as scrape (v.). Meaning "to struggle, scramble" first recorded 1630s. Related: Scrabbled; scrabbling.
Scrabble (n.)
board game, 1949, proprietary name (registered U.S.), probably from scribble-scrabble "hasty writing" (1580s), a reduplication of scribble (n.).