salpo -sa'o- gismu

x₁ is sloped/inclined/slanted/aslant with angle x₂ to horizon/frame x₃.

Also steep (= tcesa'o); normally implies non-rectilinear. See also kurfa, tutci.

jbovlaste

In notes:

kurfa: x₁ is a right-angled shape/form defined by set of vertices x₂, dimensions x₃ (default 2).
tutci: x₁ is a tool/utensil/resource/instrument/implement used for doing x₂; [form determines function].
nitsalpo: s₁ dips at an angle of s₂ to reference frame s₃, to beneath c₂.
sa'orgau: g₁ [person/agent] leans/slants/tilts s₁ away from vertical by angle s₂