Proto-Basque: *hil-, *hiɫa-
Meaning: 1 moon, 2 month, 3 moon in 4th qtr. ('high moon')
Araban: irargi 1
Bizkaian: iretargi, ilargi, illargi, irargi 1, illa-bete 2, il-gora 3, (Goñi, Olza) illergi 1
Gipuzkoan: ilargi, illargi 1, illa-bete 2, il-gora 3
High Navarrese: ilargi, illargi 1, illa-bete 2, il-gora 3
Low Navarrese: ilhargi 1, hila-bete, ila-bethe 2, (Otxagabia, Salazar) ilaski 1
Salazarese: ilaski 1
Lapurdian: ilhargi 1, hila-bete 2
Baztanese: illargi 1
Zuberoan: hila-bethe 2
