Words that come from Proto-Indo-European bʰlew-

291 words across 57 languages descend from Proto-Indo-European bʰlew- — including blue, blueprint, Bluetooth, blueberry, bluegrass, bluer, Bluebeard, bluebird.

See the etymology of bʰlew- itself →

English (81)

German (40)

Dutch (14)

Faroese (12)

Norwegian Nynorsk (12)

Norwegian Bokmål (12)

Icelandic (10)

French (10)

Swedish (9)

Danish (7)

Catalan (7)

Middle English (6)

Italian (5)

Luxembourgish (5)

Old French (4)

Japanese (3)

Old English (3)

Esperanto (2)

Ido (2)

Old High German (2)

Volapük (2)

Scots (2)

Spanish (2)

Old Norse (2)

Romansch (2)

Tok Pisin (2)

Vietnamese (2)

Middle High German (2)

Greek (1)

Old Dutch (1)

Middle Dutch (1)

Ligurian (1)

Yiddish (1)

Westrobothnian (1)

Fiji Hindi (1)

Afrikaans (1)

Vilamovian (1)

Somali (1)

Central Franconian (1)

Hunsrik (1)

West Frisian (1)

Middle French (1)

Romanian (1)

Proto-Germanic (1)

Swahili (1)

Portuguese (1)

Wolof (1)

Haitian Creole (1)

Papiamentu (1)

Old Saxon (1)

Pennsylvania German (1)

Sranan Tongo (1)

Anglo-Norman (1)

Proto-West Germanic (1)

Frankish (1)

Vulgar Latin (1)

Old Frisian (1)