Lithuanian lokys

← Ancient Greek ἄρκτος (cognate)

← Proto-Balto-Slavic *tlāk- (mention)

← Proto-Indo-European *tel-k- (inherited)

← Proto-Indo-European *tl-ek- (mention)

← Proto-Indo-European *h₂ŕ̥tḱos (cognate)

← Latin ursus (cognate)

← Lithuanian lācis (mention)

← Lithuanian lakt (mention)

← Latvian lācis (cognate)

← Old Prussian - (cognate)

← Old Prussian clokis (cognate)

← Old Prussian *tlokis (mention)

← Old Prussian Tlokumpelk (mention)

← Sanskrit ऋक्ष (cognate)

← Sudovian łukas (cognate)

→ Latgalian luocs (cognate)