Vicomanni, absolutely rare, it would seem Roman, it should be a very ancient form used to indicate a inhabitant of Vico, name of country very widespread in Italy, we remember for example in the Vico frusinate in Lazio or Vico di Gallinaro and so others, not We also neglect that the term Mann of Germanic origin means man, the inhabitant therefore the term could also be used to indicate people from an unidentified village to differentiate them from the Roman citizens.
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