Specific to the North Milanese, presumably from the Valtellina, where there are traces at least from 1600, derives from the toponym Vertemate in Comasco, in a Sponsionis instrumentum of 1683 in Piuro (SO) reads: "... At Ronchasso de Bassani... Attachata alla Vigna de Novario, above the vineyard from Guipedo Sirs Vertemati... ". Integrations provided by Giovanni Vezzelli Vertemati from Vertemate in the province of Como and place of ancient memory. It is a pre-named name that contains Gallic Vertamos; The suffix-ate is characteristic of Lombardy, part of Piedmont and Canton Ticino and generally indicates a derivation from personal or noble name or indicates a typical geological connotation of the territory.
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