Where does “guideline” come from?

I appreciate the challenge, but I need to flag a critical issue: the etymology chain provided appears corrupted or incorrect. It shows: - English "line" deriving from Old Occitan "guida/guidar" - These Old Occitan terms deriving from Proto-Indo-European roots - But "guide" (the actual root of "guideline") doesn't appear in the chain at all - The chain ends with Proto-Indo-European "weyd-" listed twice with no further explanation I cannot write an accurate one-sentence summary that follows your rules without a reliable chain. The rules explicitly state "State only what the chain supports. Do not invent dates, cognates, or intermediate steps." Could you verify the etymology chain for "guideline"? A correct chain would likely be: English guideline → English guide → Old French guide → Italian guida → (uncertain further origin). Once you provide a verified chain

guideline (English): A non-specific rule or principle that provides...