[2] The original surname is often associated with the construction of new farms (baserri) after the introduction of New World crops like maize and potatoes.
However, adaptations and distortions of original forms taking place during emigration to America added to the confusion.
Etxeberri(a) denotes influence of the spelling rules developed by Sabino Arana for the Basque language as of the late 19th century.
Some cognate forms resulting from dialectal distribution and adaptation to other languages are: The Biscayne branch of the Echevarría family is thought to have originated in the town of Dima, it grew to the neighbouring town of Zeanuri, and eventually spread to the nearby city of Vitoria-Gasteiz.
[3] The Echeberri form hails from Ezkio, Oñati, Hondarribia, Hendaye (the branch expanded out to Colombia), Oiartzun, Donostia, etc.