cukydjine lujvo

x1 is a ring/torus/oval [round, closed shape/form], composed of material x2, of inner diameter x3 and outer diameter of x4

This word is essentially the same thing as djine, but closedness is necessary.

In notes:

x1 is a torus of genus x2 (li; nonnegative integer), having x3 (li; nonnegative integer) distinct cusps, and with other properties/characteristics x4, by standard/in sense x5; x1 is an x2-fold torus.