6 letters · 8 points in Scrabble
noun (computer science) an electronic device that must be attached to a computer in order for it to use protected software
originUnknown. Likely a descendant of dangle, reflecting that electronic accessories such as computer peripherals often are plugged in via a flexible cable (although wirelessness is also often relevant). Claims that the word comes from a man named "Don Gall" were made up by an advertisement. First usage 1980-1985.
Etymology from Wiktionary, CC BY-SA 3.0