Proto-Baltic: *gag-ā̂, *gā̂g-ā̂ (1), *gāg-ar-a- c., *geg-al-[a]- c.
Meaning: a k. of waterfowl
Old Lithuanian: giegals (Bretkun) `Taucher'
Lithuanian: gagà `Eiderente', gegala-s `naras' LKŽ, gaĩgala-s `Enterich, Erpel', { gagalas 'Storch' }
Lettish: gāgar-s `Gans; Kalkhuhn', gãga `Eiderente, -gans', gãgans 'Gänserich; Storch'; gaĩgala, gàigala, gaîgala, gaigale, gaigalis, gaîgals2, gaigula, -e, -is `Taucher, Möwe (Larus glaucus)'
Old Prussian: gegalis `kleiner Taucher' (Columbus minor) V. 758
