Where does “ḳ(e)d-el-” come from?

ḳ(e)d-el- (Proto-Georgian-Zan) comes from Proto-Indo-European ḱad- — to fall.

Ancestry of “ḳ(e)d-el-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	ḱad-	to fall

ḳ(e)d-el- — Etymology, Origin & Word History | Etymology Explorer