Where does “siege” come from?

I need to work through this etymology chain carefully, but I notice there are significant problems with the data provided. The chain shows: - Middle English sege → Old English seċġ → Proto-Germanic sagjaz → Proto-Indo-European sak- → Latin -culus → Proto-Indo-European sed- (repeated three times) This chain is incoherent. It jumps from PIE sak- to Latin -culus (a diminutive suffix, not a root) and then to sed-, which doesn't explain how "siege" develops from these elements. The repetition of sed- three times suggests data corruption. Additionally, the actual etymology of "siege" involves Old French *siege/siège (meaning seat, from Latin sedēs, from sed- "to sit"), which would trace differently than what's shown here. Given the rules state "State only what the chain supports. Do not invent

siege (English): "Military action."; "A seat."; A place with a...