Proto-Basque: *eci
Meaning: 1 the day after tomorrow 2 the day after the day after tomorrow (three days hence) 3 four days hence
Bizkaian: etzi 1, etziaramu, etzilimo, etzilume 2, (Oñate) etzidamu 2, (Txorierri) etzigerokoan 2, (arc) etziluma 2, etzikaramu 3
Gipuzkoan: etzi 1, etzidamuatzetik 2
High Navarrese: etzi 1, etzidamuatzetik 2, (Esteribar) etzidamu 2
Low Navarrese: etzi 1, etzidamu 2, (Larraun) etziamu 2
Salazarese: etzi 1, etzidamuago 2
Lapurdian: etzi 1, etzidamu 2
Baztanese: etzi 1, etziago 2, etzidamu 2
Aezkoan: etzi 1
Zuberoan: étzi 1, etzigo 2
Roncalese: etzi 1, etzidamuago 2, (Uztárroz) etziaste 2
Comments: Some of the compounded elements are *gero 'later', *-ago 'more' [comparative morpheme], *aśte 'week'; for -lume, -ramu, etc., see Bsq *[lamu].
