Words that come from Proto-Indo-European kʷetwr̥-

266 words across 85 languages descend from Proto-Indo-European kʷetwr̥- — including quarantine, Quadragesima, quarantinable, quadragesimal, nonquarantine, quadraginta, quarantiner, kʷetwr̥̄ḱomt.

See the etymology of kʷetwr̥- itself →

Italian (30)

English (24)

Catalan (24)

Finnish (18)

Latin (13)

Kashmiri (12)

Spanish (10)

Hindi (10)

Prakrit (8)

Sanskrit (5)

French (5)

Old Spanish (4)

Old Armenian (4)

Vulgar Latin (4)

Tagalog (3)

Norman (3)

Portuguese (3)

Russian (3)

Marathi (3)

Proto-Indo-European (2)

Greek (2)

Old Irish (2)

Irish (2)

Old French (2)

Old Portuguese (2)

Swedish (2)

German (2)

Karelian (2)

Polish (2)

Romagnol (2)

Welsh (2)

Walloon (2)

Gujarati (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)

Telugu (1)

Dalmatian (1)

Proto-Indo-Aryan (1)

Scottish Gaelic (1)

Romanian (1)

Proto-Finnic (1)

Medieval Latin (1)

Proto-Indo-Iranian (1)

Middle English (1)

Byzantine Greek (1)

Late Latin (1)

Ottoman Turkish (1)

Esperanto (1)

Proto-Celtic (1)

Papiamentu (1)

Dutch (1)

Norwegian Bokmål (1)

Norwegian Nynorsk (1)

Classical Persian (1)

Pali (1)

Sardinian (1)

Chavacano (1)

Kadiweu (1)

Haitian Creole (1)

Louisiana Creole (1)

Swahili (1)

Ladino (1)

Ilocano (1)

Bikol Central (1)

Votic (1)

Emilian (1)

Franco-Provençal (1)

Occitan (1)

Persian (1)

Urdu (1)

Uyghur (1)

Arabic (1)

Bengali (1)