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Definitely Tuscan, specific to the area that includes the Florentine and the Pistoiese, it could derive from the Phoenician toponym Kalama in Numidia, although I consider it unlikely, and would therefore have the same etymology as the toponym Calamecca (PT), most probably derives from the Latin term calamarius and can be linked to the function of scribe (calamarius was, in Latin, the case of writing tools).
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