Words that come from Proto-Indo-European ḱley-

400 words across 41 languages descend from Proto-Indo-European ḱley- — including climate, decline, inclined, leaning, lean, ladder, inclination, declining.

See the etymology of ḱley- itself →

English (220)

Latin (46)

Italian (33)

French (29)

Irish (8)

Ancient Greek (7)

Dutch (6)

Welsh (4)

Esperanto (4)

Proto-Indo-European (3)

Turkish (3)

Aromanian (3)

Middle French (2)

Old Irish (2)

Arabic (2)

Hungarian (2)

Polish (2)

Westrobothnian (1)

Icelandic (1)

Catalan (1)

Galician (1)

Translingual (1)

Crimean Tatar (1)

Faroese (1)

Bulgarian (1)

Russian (1)

Czech (1)

Slovak (1)

Swedish (1)

Greek (1)

Macedonian (1)

Proto-Celtic (1)

Gaulish (1)

Central Franconian (1)

Luxembourgish (1)

Old Welsh (1)

Classical Syriac (1)

Middle Welsh (1)

Sundanese (1)

Breton (1)

Gothic (1)