The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
pau-2
DEFINITION:
To cut, strike, stamp. Oldest form *pe2u-, colored to *pa2u-.1. Suffixed (participial) zero-grade form *pu-to-, cut, struck. a.putamen, putative; account, amputate, compute, count1, depute, dispute, impute, repute, from Latin putre, to prune, clean, settle an account, think over, reflect; b. possibly Latin puteus, well: pit1. 2. Basic form *pau-.a. Suffixed form *pau-yo.pave, pavé, from Latin pavre, to beat; b. suffixed (stative) form *paw--.pavid, from Latin pavre, to fear (< to be struck); c. perhaps Greek paiein, to beat: anapest. (Pokorny 3. pu- 827.)