Where does “curtsey” come from?

I appreciate the challenge, but I need to flag an issue: the chain provided appears to be circular/repetitive (alternating between "courtesy" and "curtsey" in English) with no older language layers, making it impossible to write an accurate etymology sentence following your rules. To write a proper one-sentence etymology, I would need: - The actual chain tracing back through older languages (e.g., Old English → Old French → Latin, or similar) - The original meaning in the oldest attested form - Actual language names that differ (not just English repeating) Could you provide the complete etymological chain for "curtsey"? That would let me write an accurate, search-engine-ready summary sentence.

curtsey (English): A small bow, generally performed by a woman or a...