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

318 words across 68 languages descend from Proto-Indo-European swépnos — including insomnia, hypnotic, hypnosis, somnolence, somnolent, somnambulism, hypnotherapy, somnambulist.

See the etymology of swépnos itself →

English (88)

Italian (35)

Latin (24)

French (18)

Portuguese (12)

Spanish (10)

Ancient Greek (7)

Romanian (6)

Norwegian Bokmål (6)

Irish (5)

Greek (5)

Asturian (5)

Galician (4)

Icelandic (4)

Esperanto (4)

Aromanian (4)

Old French (4)

Lithuanian (3)

Telugu (3)

Norwegian Nynorsk (3)

Hindi (3)

Vulgar Latin (3)

Sanskrit (2)

Middle French (2)

Old Irish (2)

Danish (2)

Catalan (2)

Sicilian (2)

Friulian (2)

Latvian (2)

Istriot (2)

Old Norse (2)

Proto-Germanic (2)

Old Portuguese (2)

Middle English (2)

Scottish Gaelic (2)

Finnish (2)

Late Latin (2)

Romani (1)

Urdu (1)

Proto-Indo-Iranian (1)

Maithili (1)

Faroese (1)

Pali (1)

Russian (1)

Hungarian (1)

Kurdish (1)

Dalmatian (1)

Neapolitan (1)

Old Gujarati (1)

Avestan (1)

Gujarati (1)

Kannada (1)

Welsh (1)

Occitan (1)

Bengali (1)

Romansch (1)

Picard (1)

Nepali (1)

Old English (1)

Proto-Indo-Aryan (1)

Proto-Iranian (1)

Proto-West Germanic (1)

Proto-Balto-Slavic (1)

Proto-Celtic (1)

Proto-Brythonic (1)

Proto-Italic (1)

Medieval Latin (1)