The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
pel-1
DEFINITION:
Pale. Derivatives include pallor, falcon, and poliomyelitis. 1. Suffixed variant form *pal-wo-.a. (i)fallow deer, from Old English fealu,fealo, reddish yellow; (ii)fauvism, from Frankish *falw-, reddish-yellow. Both (i) and (ii) from Germanic *falwaz;b.pale2, pallid, pallor; appall, from Latin pallre, to be pale; c.palomino, from Latin palumbs (influenced in form by Latin columbus, dove), ringdove, gray-bird. 2. Probably suffixed form *pel-ko-.falcon; gyrfalcon, from Late Latin falc, falcon, from Germanic *falkn-, falcon (< gray bird; but this is also possibly from the Late Latin). 3. Suffixed extended form *peli-wo-.a.Pelops, from Greek pelios, dark; b. o-grade form *poli-wo-.poliomyelitis, from Greek polios, gray. 4. Perhaps Greek pelargos, stork (< *pelawo-argos, black-white bird; argos, white; see arg-): pelargonium. (Pokorny 6. pel- 804.)