The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
pel-5
DEFINITION:
To thrust, strike, drive. Derivatives include anvil, filter, pulsate, polish, and appeal. I. Suffixed form *pel-de-.1a.anvil, from Old English anfilt(e),anfealt, anvil (something beaten on); b. (i)felt1, from Old English felt, felt; (ii)filter, filtrate, from Medieval Latin filtrum, filter, piece of felt. Both (i) and (ii) from Germanic *feltaz,*filtiz, compressed wool. Both a and b from Germanic *felt-,*falt-, to beat. 2.pelt2, poussette, pulsate, pulse1, push; compel, dispel, expel, impel, impulse, propel, repel, from Latin pellere (past participle pulsus), to push, drive, strike. 3a. Suffixed o-grade form *pol-o-, fuller of cloth. polish, from Latin polre, to make smooth, polish (< to full cloth); b. suffixed o-grade form *pol-o- (with different accentuation from the preceding), fulled (of cloth). interpolate, from Latin compound adjective interpolis (also interpolus), refurbished (inter-, between; see en). II. Extended form *pel2-.1. Present stem *peln-.a.appeal, peal, rappel, repeal, from Latin appellre, to drive to, address, entreat, appeal, call (ad-, to; see ad-); b.compellation, from Latin compellre, to accost, address (com-, intensive prefix; see kom). 2. Possible suffixed zero-grade extended adverbial form *p-ti-, or locative plural *p-si.plesiosaur, from Greek plsios, near (< pushed toward), from pre-Greek *plti or *plsi. (Pokorny 2a. pel- 801.)