skapi -kap- gismu

x₁ is a pelt/skin/hide/leather from x₂.

In notes:

calku: x₁ is a shell/husk [hard, protective covering] around x₂ composed of x₃.
kerfa: x₁ is a/the hair/fur [body-part] of x₂ at body location x₃.
korka: x₁ is a quantity of/contains/is made of cork/bark from tree/species x₂; [material].
pilka: x₁ is a crust/rind/peel/skin/hide/outer cover of x₂.
dalpi'a: x₁ is animal skin (including human skin), body part of x₂.
kapxra: x₁=p₁ is a tattoo/body art/brand/[image on the body] depicting x₂=p₂ on animal/body part x₃=s₂ made by artist x₄=p₃
korsenta: s₁=k₁ is a cortex (outermost layer) of structure s₃=k₂.
pinjykapyvi'u: v₁ circumcises/removes foreskin from p₂=s₂=v₃.
pinjyskapi: s₁ is the foreskin of p₂=s₂.
revyskapi: s₁ is a quantity of leather from s₂.
snitatu: x₁ is a tattoo