A propos de etxenika: y a-t-il en topnymie basque des traces du numéral archaïque ika?

The author analyzes the formation of numbers in Basque, which is believed to originate in five different sources. Currently "one" in Basque is "bat", but in ancient times it was "ika". Ancient toponimics ended in "ika" are numerous south of the Pyrinees, whereas the contrary happens in the French Basque Country. The author analyses the name "Etxenika" that appears in several houses in Zuberoa