Proto-Baltic: *lač-i-s, *lačiš-ā̂ f., *lač-en-a- c.
Meaning: salmon
Lithuanian: lašišà `Lachs, Lachsforelle', lãšis `Lachs', lašìšiu-s `Lachsforelle'
Lettish: lasis `Lachs', lasę̃ns `Lachsforelle (Salmo trutta L.)'
Old Prussian: lalasso [lasasso] `Lachs' V. 563