Where does “fell” come from?

I need to work through this chain carefully, but I notice there are significant issues with it that make it impossible to write an accurate etymology sentence. The chain as presented has problems: - It lists "Proto-Indo-European pel-" twice - It ends with "Proto-Indo-European -yeti" which appears to be a verbal suffix, not a root - The progression from Latin fel (meaning "gall, bile") to these various PIE roots doesn't form a coherent chain - The headword "fell" (English) with unknown meaning is unclear—does this refer to the verb "fell" (to cut down) or the adjective "fell" (fierce/cruel)? Without a clear, logical etymological chain from the source material, I cannot write an accurate one-sentence summary. The rules require me to state only what the chain supports and not invent intermediate steps. Could you clarify: 1. What

fell (English): To make something fall; especially to chop down a...