Where does “cun” come from?

I need to work through this chain carefully, but I notice some problems: 1. The chain shows "Proto-Indo-European ǵen-" appearing three times identically, which seems like an error in the source data 2. "Proto-Indo-European -yeti" appears to be a suffix, not a root 3. Chinese 寸 (cùn, meaning "inch/small unit of length") does not etymologically connect to Old English "cann" 4. The chain doesn't form a coherent linguistic progression Given these inconsistencies, I cannot write an accurate one-sentence summary that honestly represents this chain without inventing connections or leaving out the contradictions. **Could you verify the etymology chain?** Specifically: - Should Chinese 寸 really be the starting point for an English word? - Are the repeated "ǵen-" entries correct? - What is the

cun (English): To know; Alternative form of conn; A traditional...