Proto-Basque: *argi-
Meaning: 1 light, bright, 2 luminary (moon)
Araban: irargi 2
Bizkaian: argi 1, iretargi, ilargi, irargi 2
Gipuzkoan: argi 1, ilargi, illargi 2
High Navarrese: argi 1, (Elkano, Puente) ilargi 2, (Goñi, Olza) illergi 2
Low Navarrese: argi 1, argizai 2
Salazarese: ilargi 2
Lapurdian: argi 1, ilhargi 2
Baztanese: illargi, ilargi 2
Aezkoan: ilargi 2
Zuberoan: argi 1 argizagi 2
Roncalese: argi 1, argizagi 2
Comments: As Trask (1995) mentions, borrowing from IE *arg- 'shine, bright' has been suspected, "but no direct source for the loan (if it is one) can be identified." Compounds with *hiɫa- and *sagi (q.v.).
