janli -jal- gismu

x1 collides with/crashes/bumps/runs into x2.

(also collide = simjanli for a collision between two moving objects); See also darxi.


In notes:

darxi
x1 hits/strikes/[beats] x2 with instrument [or body-part] x3 at locus x4.
jalsimgau
g1 [agent/person] claps together/causes to collide/strikes together s1
jalsi'u
s1 (set) collide with each other.
mirjanli
j1=m2=m4 bounces off j2=m1 to point m3.
xanjalgau
g1=x2 claps hands j1=j2=x1.