keiə- / Indo-European roots


To set in motion.

Oldest form keih2-.

Derivatives include resuscitate, kinetic.

I. Possibly extended variant o-grade from *koid-in Germanic *hait-, to call, summon (but this may be from a separate root *kaid-).
1. hight from Old English hātan, to call, summon, order, from Germanic *haitan.
2. Suffixed form *koid-ti-. a. hest from Old English hǣs, a command, bidding; b. behest from Old English compound behǣs, a vow, promise, command (be-, intensive prefix; see ambhi). Both a and b from Germanic *haissiz, from *hait-ti-.
II. Zero-grade form *ki-.
1. Suffixed iterative form *kiə-eyo-. cite; excite, incite, oscitancy, resuscitate, solicitous from Latin ciēre (past participle citus), with its frequentative citāre, to set in motion, summon.
2. Suffixed form *kiə-neu-. kinematics, kinesics, -kinesis, kinetic; bradykinin, cinematograph, hyperkinesia, kinesiology, kinesthesia, telekinesis from Greek kīnein, to move.

[Pokorny kēi- 538.]

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