Lera, very rare, would seem typical of the Lucca and Livorno area, of Livorno and Piombino in Livorno and Capannori and Lucca in Lucca, should derive from the medieval female name Lera of which we have an example in a deed of 1230: "... et Uberti filii Guidone et de Culoira et Vindemie de Culoira et Maniboni de Nova et Drigognini de Arduino et de Lera et Granni Scenas de Obizini de ser Vallario et Iannarii et Martini fìliorum quondam Pellicie et Martini qui omnes sunt de Culoira ... ", it is difficult to hypothesize a derivation from the idra Lera, a torrent of the upper province of Macerata or from the oronymus Lera, a mountain in the Valle di Viù in Turin, which can instead be hypothesized as the origin of the Valtellina lineage that has long since disappeared, but we must consider that in throughout northern Italy there are various localities called Lera, which can originate from the Celtic word ler (sea). additions provided by Giuseppe Concas LERA: a strange surname. In the Italian territory it is present in 58 Municipalities. Its highest frequency is recorded in Tuscany, in the provinces of Livorno and Lucca. In Sardinia it is present only in the city of Quartu SE: 6 in number. We do not know what the word in Italian means, but we know very well what Sardinian means and we know its etymology with certainty. In the Sardinian language lera means chiacchiera, lerèdda = cantilena and comes from the Greek verb (lerèo) ????? = speaking foolishly; ?????
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