écumer

Etymology
, from. .

Verb

 * 1)  to foam, foam up, froth, froth up
 * 2)  to lather as of a horse
 * 3)  to unfoam, remove foam from
 * 4)  to take the scum off
 * 5)  to skim
 * 6)  to scour shops, etc., looking for something
 * 7)  to grift to skim off profits etc.