mrostu lujvo

s1 is the grave/tomb of m1=s2.

Cf. morsi, mrofoi, derse'a.


In notes:

mojysu'a
s1 is a structure of parts s2 as a monument/memorial to m3.
mroke'a
k1 is a grave in ground k2 for m1.
mrovau
v1 is a coffin containing v2=m1.