Proto-Basque: *u-dagera
Meaning: otter
Bizkaian: ugabere, ubagara, (Orozko, Ubidea) ubegara, (Gernika) ugadera, (Mundaka) uagara, (Markina) igarabi, (Lekeitio) igarabire, (Mondragon) igeribei
Gipuzkoan: (Andoain, Zumaya) igabera
High Navarrese: igaraba, (Leiza) iyabera
Salazarese: uragre
Lapurdian: udagara, (Ainhoa) ugadera, (arc) uhadera
Baztanese: ubadera
Aezkoan: uragre
Zuberoan: ügadera
Comments: The numerous variants show metathesis and folk etymology (ugabere 'water animal': cf. *a=bele). External comparison suggests *u-dagera is probably original (*u- for *hur 'water').
