tsina -sin- gismu

x₁ is a stage/platform/dais/[scaffold] at/in x₂ supporting x₃, made of material x₄.

(x₃ object/event); See also greku, jubme.

In notes:

greku: x₁ is a frame/structure/skeleton/outline supporting/load-bearing/determining the form of x₂.
jubme: x₁ is a table/flat solid upper surface of material x₂, supported by legs/base/pedestal x₃.
bevytsina: x1 is a litter/stretcher carrying/bearing/transporting person/cargo x2 to x3 from x4 over path x5
dracydi'u: x₁=di₁ is a theater for performing plays with theme x₂=di₂=dr₂ for audience x₃=dr₄ with actors x₄=dr₅.
si'astu: st₁ is a place of honor/[shrine/podium/wall area/trophy case] for person/thing/[event] st₂=si₂ venerated/honored by si₁
spatsina: t₁ is a trellis supporting plant t₃=s₁.