Latvian kreiss

← Proto-Balto-Slavic *krei- (mention)

← Proto-Indo-European *sker- (mention)

← Proto-Indo-European *ker- (mention)

← Proto-Indo-European *kr̥- (mention)

← Latvian kreilis (mention)

← Old Prussian crays (cognate)

← Old Prussian craysi (mention)

→ Latvian krievs (cognate)