prosum

Etymology
From. See also.

Verb

 * 1)  to be useful or of use, do good, help, benefit, profit
 * 2) to serve
 * 3)  to be good or beneficial
 * 1) to serve
 * 2)  to be good or beneficial
 * 1) to serve
 * 2)  to be good or beneficial
 * 1)  to be good or beneficial