ganlo -ga'o- gismu

x1 (portal/passage/entrance-way) is closed/shut/not open, preventing passage/access to x2 by x3 (something being blocked).

As a doorway, but also perhaps a semi-permeable membrane. x3 is blocked by x1. x2 is inaccessible. See also kalri, pagre, canko, vorme, zunti.

In notes:

canko
x1 is a window/portal/opening [portal] in wall/building/structure x2.
kalri
x1 (portal/passage/entrance-way) is open/ajar/not shut permitting passage/access to x2 by x3.
pagre
x1 passes through/penetrates barrier/medium/portal x2 to destination side x3 from origin side x4.
vorme
x1 is a doorway/gateway/access way between x2 and x3 of structure x4.
zunti
x1 (evt./state) interferes with/hinders/disrupts x2 (evt./state/process) due to quality x3 (ka).
ga'orgau
gas1 shuts gan1, preventing passage/access to gan2 by gan3.
telga'o
g1=s2 is locked, preventing access to g2 by g3, the lock being s1 using mechanism s3.