The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
wes-3
DEFINITION:
To buy. 1. Suffixed form *wes-no-.venal, vend, from Latin vnum, sale. 2. Suffixed o-grade form *wos-no-.duopsony, monopsony, from Greek neisthai, to buy. 3. Suffixed form *wes--.bazaar, from Persian bzr, from Old Iranian *vah-carana-, “sale-traffic.” 4. Perhaps suffixed form *wes-li-.vile; revile, vilify, vilipend, from Latin vlis, cheap, base. (Pokorny 8. es- 1173.)
num, sale. 2. Suffixed o-grade form *wos-no-. duopsony, monopsony, from Greek 
neisthai, to buy. 3. Suffixed form *wes-
-. bazaar, from Persian b
lis, cheap, base. (Pokorny 8. 
es- 1173.) 
