A narrow passage or alley between buildings; also, a type of negotiation or agreement involving multiple stakeholders (from French history).
From French 'Grenelle', a district in Paris known for labor negotiations and agreements, or from Old French 'grenelle' (small grain), referring to narrow spaces.
The Grenelle Agreements of 1968 were so significant that the word became French political shorthand for tripartite consensus, showing how place names can become political concepts.
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