It would seem typical of the Val Rendena, it is very rare, it could derive from a locality name based on the Germanic medieval term saudus (not cultivated), in one script of the eighth century one reads for example: "... Inter oliueto taiperti castaldii et curte de filiis quondam Auduale, HEC Ipsa Petia Integra, a Maclura his own. Similiter Alia Petia de Oliueto a land-to-earth Poland Uel Pomifera... ".
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