zutse -zut-tse- gismu

x1 sits [assumes sitting position] on surface x2.

See also stizu, cpana, vreta.

In notes:

cpana
x1 is upon/atop/resting on/lying on [the upper surface of] x2 in frame of reference/gravity x3.
stizu
x1 is a chair/stool/seat/bench, a piece or portion of a piece of furniture intended for sitting.
vreta
x1 lies/rests/reclines/reposes on x2; x1 is reclining/recumbent/lying on x2.
cfatse
x1 sits down on x2.
nitytse
z1 sits on surface z2=c1 that is below c2 in frame of refernce c3.
tsebi'o
b1=z1 sits down on surface z2.
tsestu
s1=z2 is a seat for s2=z2.
tsetupyzbe
t1=zb1 is a lap [body part] of t2=zu1 supporting zb2.