Where does “occupy” come from?

I need to examine this chain carefully, as it appears to contain issues. The chain shows: - Middle English occupyen → Old French occuper → Latin occupo → Latin capio → PIE keh₂p- → Ancient Greek ὀβολός → PIE keh₂p- → Ancient Greek βέλος Problems I notice: 1. The chain loops back (PIE keh₂p- appears twice, with Greek words between) 2. Ancient Greek ὀβολός (obolós, a coin) and βέλος (bélos, missile/dart) don't fit the semantic development of "occupy" 3. This doesn't represent a coherent etymological chain However, following the instruction to "state only what the chain supports," I should note that a chain with circular references and semantic breaks cannot be accurately summarized. The legitimate path would be: Middle English occupyen

occupy (English): To take or use; To take or use space; To have...