The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
kwel-1
DEFINITION:
Also kwel-. To revolve, move around, sojourn, dwell. Derivatives include colony, cult, wheel, cyclone, pulley, and bucolic. I. Basic form *kwel-.colony, cult, cultivate, culture, Kultur; incult, inquiline, silvicolous, from Latin colere, to till, cultivate, inhabit (< *kwel-o-). II. Suffixed form *kwel-es-.telic, telium, telo-, telos; entelechy, talisman, teleology, teleost, teleutospore, from Greek telos, completion of a cycle, consummation, perfection, end, result. III. Suffixed reduplicated form *kw(e)-kwl-o-, circle. 1.wheel, from Old English hwol,hweogol, wheel, from Germanic *hwewlaz.2.cycle, cyclo-, cycloid, cyclone, cyclosis; bicycle, encyclical, epicycle, from Greek kuklos, circle, wheel. 3.chakra, chukker, from Sanskrit cakram, circle, wheel. 4. Metathesized form *kwe-lkw-o-.charkha, from Old Persian *carka-. IV. O-grade form *kwol-.1. Suffixed form *kwol-so-, that on which the head turns, neck. a. (i)hawse, from Old Norse hls, neck, ship's bow; (ii)ringhals, from Middle Dutch hals, neck; (iii)habergeon, hauberk, from Old French hauberc, hauberk, from Germanic compound *h(w)als-berg-, neck-protector, gorget (*bergan, to protect; see bhergh-1). (i)(iii) all from Germanic *h(w)alsaz;b.col, collar, collet, cullet; accolade, decollate1, décolleté, machicolate, machicolation, torticollis, from Latin collum, neck. 2. Suffixed form *kwol--.colous; pratincole, from Latin -cola and incola, inhabitant (in-, in; see en). 3. Suffixed form *kwol-o-.a.ancillary, from Latin anculus, he who bustles about, servant (an-, short for ambi-, around, about; see ambhi); b.pole1, pulley, from Greek polos, axis of a sphere; c.bucolic, from Greek boukolos, cowherd, from -kolos, herdsman. 4. Suffixed form *kwol-es- (probably a blend of o-grade *kwol-o- and expected e-grade *kwel-es-). calash, kolacky, from Slavic kolo,koles-, wheel. 5. Suffixed o-grade form *kwol-eno- in Old Iranian compound *vah-carana- (see wes-3). 6. Suffixed zero-grade variant form *kw-i-.palimpsest, palindrome, palingenesis, palinode, from Greek palin, again (< revolving). (Pokorny 1. kel- 639.)