loldi -lol-loi- gismu

x₁ is a floor/bottom/ground of x₂.

Floor/level/story of a building/edifice (= setloi, dijysenta). See also bitmu, drudi, dertu, dizlo, cnita, zbepi, sarji, serti.

In notes:

bitmu: x₁ is a wall/fence separating x₂ and x₃ (unordered) of/in structure x₄.
cnita: x₁ is directly/vertically beneath/below/under/underneath/down from x₂ in frame of reference x₃.
dertu: x₁ is a quantity of/contains/is made of dirt/soil/earth/ground from source x₂ of composition x₃.
dizlo: x₁ is low/down/downward in frame of reference x₂ as compared with baseline/standard height x₃.
drudi: x₁ is a roof/top/ceiling/lid of x₂.
sarji: x₁ supports/holds up/is underpinning of/[helps] x₂ against force/opposition x₃ with/by means x₄.
serti: x₁ are stairs/stairway/steps for climbing structure x₂ with steps x₃.
zbepi: x₁ is a pedestal/base/stand/pallet supporting x₂ (object/event), of materials/properties x₃.
loibru: b₁ is a broom for purpose b₂ (event) with bristles b₃.
lolni'ajbama: j₁=c₁ is a landmine with explosive material/principle j₂.
muvykemlolgai: x₁ is a movable rug/mat/cover for floor x₂.
vroloi: l₁ is the threshold/doorsill of doorway/gateway l₂ between v₂ and v₃ of structure v₄.