Shell is typical of the area that includes the Beneventano, with Pietrelcina, Benevento and Buonalbergo, and the Campobassano with Gambatesa and Campobasso, the etymological origin is doubtful, could derive from a name Norman craft based on the term escohier (skinning , pellemakers), but much more probably should derive from a nickname originated from the term Lombard skokka (nag, horse from Tyre).
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