xinmo -xim- gismu

x₁ is a quantity of ink of color/pigment x₂ used by writing device x₃.

See also penbi.

jbovlaste

In notes:

penbi: x₁ is a pen using ink x₂ applied by process x₃.
terba'a: x₃=b₁ is a mark/spot on x₂=b₂ of material x₁=b₃.