Words that come from Proto-Indo-European (s)leh₂b-

17 words across 11 languages descend from Proto-Indo-European (s)leh₂b- — including слабый, slabý, slabost, slabý, słaby, слаб, слаб, slabomyslný.

See the etymology of (s)leh₂b- itself →

Czech (4)

Polish (2)

Old Church Slavonic (2)

Serbo-Croatian (2)

Russian (1)

Slovak (1)

Bulgarian (1)

Macedonian (1)

Belarusian (1)

Proto-Slavic (1)

Lower Sorbian (1)