pruni -pun- gismu

(adjective:) x1 is elastic/springy.

See also ckabu, tcena.

In notes:

ckabu
x1 is a quantity of/contains/is made of rubber/latex from source x2 of composition including x3.
tcena
x1 stretches/extends to range x2 [interval/extent] in dimension x3 from relaxed range x4.