"physical movement, muscular action," 1819, from Greek kinēsis "movement, motion," from kinein "to move" (from PIE *kie-neu-, suffixed form of root *keie- "set in motion").
also keiə-, Proto-Indo-European root meaning "to set in motion."
It might form all or part of: behest; cinema; cinematography; citation; cite; excite; hest; hight; hyperkinetic; incite; kinase; kinematics; kinesics; kinesiology; kinesis; kinesthesia; kinesthetic; kinetic; kineto-; kino-; oscitant; recital; recitation; recite; resuscitate; solicit; solicitous; suscitate; telekinesis.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit cyavate "stirs himself, goes;" Greek kinein "to move, set in motion; change, stir up," kinymai "move myself;" Latin ciere (past participle citus, frequentative citare) "to set in motion, summon;" Gothic haitan "call, be called;" Old English hatan "command, call."
medical word-forming element meaning "slow, delayed, tardy," from Greek bradys "slow;" as in bradycardia (1890), with Latinized form of Greek kardia "heart;" bradykinesia, "slow movement," with Greek kinēsis "movement, motion;" bradypnea, with Greek pneo/pnein "to breathe."
"the science of motion," 1840, from French cinématique (Ampère, 1834), from Latinized form of Greek kinēsis "movement, motion," from kinein "to move" (from PIE *kie-neu-, suffixed form of root *keie- "set in motion"). Related: Kinematic (adj.), 1846; kinematical; kinematically.
1890, said in early references to have been coined by Alexander N. Aksakof (1832-1903) Imperial Councilor to the Czar, in Modern Latin, literally "motion at a distance," from tele- + Greek kinēsis "movement, motion," from PIE root *keie- "to set in motion." Translates German Fernwirkung. Related: Telekinetic.