Proto-Baltic: *tlā̂k-ia-s (2) m., *tlā̂k-en-ā̂, -iā̃ (2) f.
Meaning: bear
Lithuanian: lōkī̃-s `Bär', lōkenà `Bärenhaut, Bärenfell'
Lettish: lâcis `Bär', lâcene, lâciene `Bärin'
Old Prussian: clokis `Bär' V. 655, caltestis-klok(is) `Zeidelbär' V. 656