Aiza is a name of Basque Spanish origin and means cliff or rock. Aiza is a spelling variation on Arista, or in Basque, Aritza. The etymological meaning of Aiza (from P.Gmc.*aiza) is "honor"or 'honored ruler'. This spelling was found in 1127 in Navarre, now in Spain. Other variations of the surname are Ariza, Aritza and Aixa.
King Íñigo Íñiguez (Basque, Eneko Enekones) called Arista in Spanish and Aiza or Aritza in Basque was the first king of Navarre, Spain. The House of Aritza (Aiza) was the ruling house of the Basque Kingdom of Navarra from 824 AD to 905 AD.
- Behind the Name - the Etymology and History of Surnames
- Eric ("honored ruler, from P.Gmc. *aiza- "honor" + *rik- "ruler")
- "Basque Onomastics of the Eighth to Sixteenth Centuries". Archived from the original on 2009-10-25.
- Navarra y Aragón, Tomo IV. See España 08b