Proto-Basque: *i=cal
Meaning: 1 shade, shadow 2 protection 3 gloomy, frightening place 4 to cover, darken 5 to put out (lights)
Bizkaian: itzal 3
Gipuzkoan: itzali 5
High Navarrese: itzal 1, itzali 5
Low Navarrese: itzal 1, 2, itzali 4, 5
Salazarese: itzal 2, itzal-go 2, itzal-gune 1
Lapurdian: itzal 1, 2, itzali 4
Zuberoan: itzal 1, 2, itzali 4
Roncalese: itzal 2
Comments: Cf. PNC *Hč̣ōlV̄ 'black', Bsq *b=elc 'black', a different formation from the same root.
