kei-2. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

Appendix I

Indo-European Roots

ENTRY:	kei-²
DEFINITION:	To set in motion. Derivatives include resuscitate and kinetic. I. Possibly extended o-grade from koid-. 1. hight, from Old English htan,* to call, summon, order, from Germanic haitan. 2. Suffixed form koid-ti-. a. hest, from Old English hs, a command, bidding; b. behest, from Old English compound behs, a vow, promise, command (be-, intensive prefix; see ambhi). Both a and b from Germanic haissiz, from hait-ti- (but Germanic hait- of 1 and 2 is perhaps to be referred to a separate root kaid-). II. Zero-grade form ki-. Suffixed iterative form ki-eyo-. cite; excite, incite, oscitancy, resuscitate, solicitous, from Latin cire (past participle citus), with its frequentative citre, to set in motion, summon. III. Extended root kyeu-. Nasal-infixed form ki-n-eu-. kinematics, kinesics, –kinesis, kinetic; bradykinin, cinematograph, hyperkinesia, kinesiology, kinesthesia, telekinesis, from Greek knein, to move. (Pokorny ki- 538.)


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.