julne -ju'e- gismu

x₁ is a net/filter allowing passage of x₂, prohibiting passage of x₃, netting properties x₄.

Also sieve. See also komcu, ciste, jgena.

In notes:

ciste: x₁ (mass) is a system interrelated by structure x₂ among components x₃ (set) displaying x₄ (ka).
jgena: x₁ is a knot/tangle in/between x₂ (object/jo'u-objects).
komcu: x₁ is a comb [many-needled shape] of material x₂ with tines/needles x₃.
cuxselgre: p₂=c₁ filters p₁=c₂ to destination side p₃ from origin side p₄.
fagju'e: j₁ is a fender/firescreen for a fireplace using fuel f₂ burning-in/reacting-with oxidizer f₃.
ju'erboijvi: j₁ plays tennis against j₂ in competition j₃ for prize/title j₄.
botrperkolato: b₁ is a percolator for coffee b₂, made of material b₃ with lid b₄.