kamju gismu

x₁ is a column/pillar of material x₂.

Spine (= bogykamju), vertebra (= kamjybo'u). See also ckana, garna, sanli, slanu.

In notes:

ckana: x₁ is a bed/pallet of material x₂ for holding/supporting x₃ (person/object/event).
garna: x₁ is a rail/railing/bar [tool] supporting/restraining x₂, of material x₃.
sanli: x₁ stands [is vertically oriented] on surface x₂ supported by limbs/support/pedestal x₃.
slanu: x₁ is a cylinder [shape/form] of material x₂.
kamjyro'i: r₁ is a quantity of/is made of basalt of type/composition r₂
rajypau: x₁ is a column/file of table/chart x₂.
gredile: x₁ is a grill/grid/graticule consisting of lines x₂