7 letters · 11 points in Scrabble
noun a movement that is a response to a stimulus but is not oriented with respect to the source of stimulation
originEtymology tree Proto-Indo-European *keyh₂-der. Ancient Greek κῑνέω (kīnéō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σῐς (-sĭs) Ancient Greek κίνησις (kínēsis)bor. English kinesis Borrowed from Ancient Greek κίνησις (kínēsis, “motion, movement”).
Etymology from Wiktionary, CC BY-SA 3.0