shuffle (v.) Look up shuffle at Dictionary.com
1530s, probably from Middle English shovelen "to move with dragging feet," probably a frequentative form of shoven (see shove). Or perhaps from Low German schuffeln "to walk clumsily, deal dishonestly." Of playing cards, first recorded 1560s. Related: Shuffled; shuffling.
shuffle (n.) Look up shuffle at Dictionary.com
1620s, from shuffle (v.). Phrase lost in the shuffle is from 1930.