κόνδυλος

Etymology
The formation is similar to and ; the bare stem is seen in. Most connections outside Greek, like 🇨🇬 and 🇨🇬 can be rejected straightaway. The word is probably of origin, in view of the structure.

Noun

 * 1)  knuckle (of any joint)
 * 2) knot in a string
 * 3) any hard, bony knob
 * 4)  swelling of the gum

Noun

 * 1)  tuber
 * 2)  condyle