Old High German blāo

→ German blau (inherited)

→ Spanish blao (derived)

→ Faroese bláur (cognate)

→ French bleu (cognate)

→ Middle French bleu (cognate)

→ Galician blao (derived)

→ Central Franconian bloo (inherited)

→ Alemannic German plabe (inherited(gsw/cim))

→ Alemannic German blaaw (inherited)

→ Hunsrik blau (inherited)

→ Hunsrik blo (inherited)

→ Italian sbiadire (derived)

→ Latin florus (cognate)

→ Luxembourgish blo (inherited)

→ Latvian blāvs (cognate)

→ Old Norse blár (mention)

→ Pennsylvania German bloh (inherited)

→ Vilamovian błöw (inherited)

→ Yiddish בלוי (inherited)