rinju -ri'u- gismu

x1 is restrained/held [back]/constrained/kept by restraint x2 against x3 (event).

Also: x2 is a restraint/binding for x1, x2 keeps/restrains/holds [back]/constrains x1 from x3 (= selri'u for reordered places); agentive restraint (= ri'urgau, ri'urzu'e). See also zifre, ralte, pinfu, kavbu, fanta, jgari, jimte, bapli, curmi, kluza, tagji.

In notes:

bapli
x1 [force] (ka) forces/compels event x2 to occur; x1 determines property x2 to manifest.
curmi
x1 (agent) lets/permits/allows x2 (event) under conditions x3; x1 grants privilege x2.
fanta
x1 prevents/keeps/stops/restrains/constrains event x2 from occurring.
jgari
x1 grasps/holds/clutches/seizes/grips/[hugs] x2 with x3 (part of x1) at locus x4 (part of x2).
jimte
x1 is a limit/extreme/bound/border/[confinement] of x2 in property/domain x3.
kavbu
x1 captures/catches/apprehends/seizes/nabs x2 with trap/restraint x3.
kluza
x1 (obj.) is loose/bloused/not tight on x2 (obj.) at locus x3.
pinfu
x1 is a prisoner/captive of x2, restrained/held/confined by means/force x3.
ralte
x1 retains/keeps/holds x2 in its possession.
tagji
x1 is snug/tight on x2 in dimension/direction x3 at locus x4.
zifre
x1 is free/at liberty to do/be x2 (event/state) under conditions x3.
selkarlygau
g1 collars/has a band put on k2, the collar/band being k1 made of material k3.
tolri'ugau
x1 releases x2 from restraint/binding x3 to do/be x4 .
xanri'u
x1 are handcuffs for restraining x2