Calegari is typically Lombard, from Bergamo and Milanese, Calegaris is unique, Calegaro, very rare, decidedly Venetian, is above all from Verona, Caligari, quite rare, has a stock in the province of Sondrio and one between Forlì and Rimini, Caligaris is specific in the north-western area, in Piedmont, Liguria and west Lombardy, Caligaro is unique, Callegari is from northern Italy, Callegaris, very rare, has a strain in Pavia and one in Trieste, where it is probably only a variant due to transcription errors of Calligaris, Callegaro is typical of the Veneto region, from the area that includes the Rovigoto, the Paduan, the Venetian and the Trevisano, Calligari has its maximum concentration in the provinces of Milan, Pavia and Novara, but there is also a significant presence in the province of Naples , Calligaris, decidedly Friulian, is typical of Udine, Gorizia and Trieste, Calligaro is specific of the Udine area. The derivation is easy to understand, in fact it originates from the late Latin word caligarius (shoemaker), that is who produced or traded in shoes (in Latin calzatura = caliga). Consider that even a famous Roman emperor took his name from the term caliga, the famous emperor Caligula, Tacitus in the first book of his Annals writes: "... iam infans in castris genitus, in contubernio legionum eductus, military quem vocabulo Caligulam appellabant, quia plerumque ad concilianda vulgi studia eo tegmine pedum induebatur ... ".
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