his name sinks in the darkness without ordering any sign, resigned to his destination. Quickly the first ones made fond of the etymologies related his name with erbi “liebre ”, similar to scarce names although not strangers like Erbisoroeta (Iratxe, 1283). Of another part possibility of an origin has been suggested her between (h) er (ri) “pueblo ” (similar to names like Ergoiena) and bi “dos ” or bidet “camino ” or ibi “vado, I happen in one laugh ”.

But his ancient documented forms force us, as it did the village, to look for ways towards the clean heights. Really, it appears like Ervico (804 and 864), Erbico (864) or enclosed Erbice (864). His name turns out to be provided with a few completions own with the romance or Latin.

In this population the reservoir is of Smithies or Erbi declared of interest general and included in the Plan National Hidrológico (ftes.ver links)