Where does “kh₂id-to-” come from?

kh₂id-to- (Proto-Indo-European) comes from Proto-Indo-European kh₂eyd- — to cut, hew.

Ancestry of “kh₂id-to-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	kh₂eyd-	to cut, hew

kh₂id-to- — Etymology, Origin & Word History | Etymology Explorer