Words that come from Proto-Indo-European swer-yo-s

400 words across 26 languages descend from Proto-Indo-European swer-yo-s — including series, serious, season, assertion, assert, insert, exert, serial.

See the etymology of swer-yo-s itself →

English (217)

Latin (88)

Italian (38)

French (19)

Swedish (5)

Catalan (4)

Dutch (3)

Esperanto (3)

Middle French (2)

Cebuano (2)

Russian (2)

Turkish (2)

Venetian (2)

Galician (1)

Volapük (1)

Middle Dutch (1)

Korean (1)

Czech (1)

Tagalog (1)

Asturian (1)

Ido (1)

Japanese (1)

Greek (1)

Chinese (1)

Hungarian (1)

Friulian (1)