7 letters · 9 points in Scrabble
noun a rattling noise (often produced by rapid movement)
verb make a rattling sound
originFrom Middle English clatren (“to make a rattling sound”), from Old English *clatrian (attested as the Late Old English gerund clatrung), of onomatopoeic origin. Compare Dutch klateren, kletteren. The noun, derived from the verb, is first attested in the 14ᵗʰ century.
Etymology from Wiktionary, CC BY-SA 3.0