Words that come from Proto-Indo-European slab-

159 words across 28 languages descend from Proto-Indo-European slab- — including sleep, sleeping, sleepy, sleeper, sleepiness, sleepily, sleepwalking, sleepover.

See the etymology of slab- itself →

English (77)

Finnish (25)

German (11)

Dutch (9)

Middle Dutch (3)

Old Dutch (3)

Old English (3)

Volapük (2)

Old High German (2)

Luxembourgish (2)

Gothic (2)

Proto-Germanic (2)

Middle English (2)

Old Saxon (2)

Low German (1)

Yiddish (1)

Crimean Gothic (1)

Central Franconian (1)

Old Frisian (1)

Cimbrian (1)

Alemannic German (1)

Saterland Frisian (1)

Tok Pisin (1)

Portuguese (1)

Proto-West Germanic (1)

Middle High German (1)

Proto-Finnic (1)

Middle Low German (1)