cidni -cid- gismu

x₁ is a/the knee/elbow/knuckle [hinged joint, body-part] of limb x₂ of body x₃.

Metaphor: a sharp bend/curve. See also korcu, jarco, jganu.

jbovlaste

In notes:

cidydzu: ca₁=ci₃ crawls on surface ca₂.
xancidni: x₁=c₁ is a wrist of x₂=c₂.
xancidykarli: x₁ is a wristband/cuff/shirtcuff of person x₂=c₃=xa₂ made of material x₃=k₃
xancidykarlydi'o: x₁ is a cufflink/stud on cuff/material x₂=k₃ made of material x₃=d₃ worn by person x₄=c₃=xa₂