Proto-Basque: *bil(ibil)
Meaning: round
Bizkaian: biribil
Gipuzkoan: biribil
High Navarrese: biribil, (Lezaka) borobil
Low Navarrese: borobil
Lapurdian: biribil
Zuberoan: biribil
Roncalese: biribil
Comments: *bil ‘round thing’ in many compounds: *g(ʷ)ur-t-bil ‘wheel’, *bar̄a-bil ‘testicle’, *lu(r̄)-pil ‘heap of earth’, *ogi-t-pil ‘bread roll’, *śudu(r̄)-pil ‘nostril’, etc. Cf. *e=biɫi ‘to walk’ < *’to go round’.
