Words that come from Proto-Indo-European dek-

400 words across 11 languages descend from Proto-Indo-European dek- — including twenty, doctor, doctrine, document, dignity, tail, indignation, orthodox.

See the etymology of dek- itself →

English (333)

Latin (33)

Ancient Greek (14)

French (9)

Middle French (3)

Proto-Indo-European (2)

Dutch (2)

Italian (1)

Icelandic (1)

West Frisian (1)

Danish (1)