plixau lujvo

x1=p2 is useful/good for x2=p1 by the standard of being usable for purpose p3.

x3 is "usable". See alse selplika'e. Made from pilno + xamgu.

In notes:

ctixau
x1 is edible to x2
narplixau
x1 is useless to agent x2 by the standard of purpose x3
palcau
x1 (activity/event) is profitless / unprofitable to x2
plixaudai
x1 is an utility(something useful).
tolplixau
x1 is worse than useless to agent x2 by the standard of purpose x3
conka
x1 is functional / usable for function x2