Words that come from Proto-Indo-European “kʷetwr̥-”

103 words across 35 languages descend from Proto-Indo-European kʷetwr̥- — including quarantine, Quadragesima, quarantinable, quadragesimal, quadragenarian, nonquarantine, quadraginta, quarantiner.

See the etymology of kʷetwr̥- itself →

Catalan (22)

Italian (14)

English (13)

Latin (6)

Spanish (6)

Old Armenian (4)

French (3)

Norman (3)

Proto-Indo-European (2)

Old Spanish (2)

Greek (2)

Old French (2)

Old Portuguese (2)

Asturian (1)

Ancient Greek (1)

Armenian (1)

Old Catalan (1)

Old Occitan (1)

Venetian (1)

Galician (1)

Hiligaynon (1)

Turkish (1)

Albanian (1)

Ladin (1)

Friulian (1)

Chamorro (1)

Cebuano (1)

Tagalog (1)

Dalmatian (1)

Portuguese (1)

Romanian (1)

Vulgar Latin (1)

Medieval Latin (1)

Middle English (1)

Byzantine Greek (1)