13 letters · 24 points in Scrabble
adjective continually shifting or rapidly changing
originEtymology tree English kaleidoscope Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English kaleidoscopic From kaleidoscope + -ic.
Etymology from Wiktionary, CC BY-SA 3.0