ctino -ti'o- gismu

x1 is a shadow/the shade of object x2, made by light/energy source x3.

See also manku, gusni.

In notes:

gusni
x1 [energy] is light/illumination illuminating x2 from light source x3.
manku
x1 is dark/lacking in illumination.
ti'orkemsamtci
t1 is a shader on computer(s) including s1.