Proto-Baltic: *gaiǯ-u- adj., *gaĩǯ- vb. inch., *giǯ-/*gī̃ǯ- vb. inch.
Meaning: bitter, sour
Lithuanian: gaižù- 'ranzig, muffig, bitter, herb, mürrisch, launisch', gaĩžti 'bitter, herb werden', gìžti, gī̃žti 'sauer werden', gìžinti '(Milch) sauer werden lassen'
Lettish: gaizs 'unangenehm, bitter, beissend, sauer, schlecht schmeckend' {there is no form in ME!}
