Are you sure about that etymology?

“Reading the literature on the word for ‘Cannabis’ in the languages of Eurasia soon puts one in mind of what one is told frequently happens when the authorities conduct a raid to confiscate Cannabis and attempt to identify to whom it belongs: everyone involved says it belongs to someone else, generally someone conveniently not present at the moment.” [0] Some dictionaries claim a Scythian origin.

0 - Miller, R. A.: Korean Evidence for Three Eurasian-Altaic Wanderwörter Scenarios, Acta Orientalia Academiae Scientiarum Hungaricae 51/3: 296.