Where does “काञ्चन” come from?

काञ्चन (Sanskrit) comes from Proto-Indo-European kn̥h₂ónks — honey.

Ancestry of “काञ्चन”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	kn̥h₂ónks	honey

काञ्चन — Etymology, Origin & Word History | Etymology Explorer