A language of Basque origin has also been suggested as providing a solution:

The name may be of Basque origin, as suggested by onomastic analysis.

Her first name is of Basque origin, but she is not.

This number progressively grew, with many subsequent governors of Basque origin.

Aiza is a name of Basque Spanish origin and means cliff or rock.

Mendoza is a surname of Basque origin, also occurring as a place name.

Others, later pointed to Basque origins as a way to understand the population's idiosyncrasies.

Esquivel is a surname of Basque origin as well as a place name.

His father, who was of Basque origin, earned his living as a gilder.

He came from a prestigious family of Basque origin that included diplomats and a former president.