Words that come from Proto-Indo-European kendʰ-

7 words across 4 languages descend from Proto-Indo-European kendʰ- — including nod, nodding, nodder, noddingly, nodden, hnodian, hnudōną.

See the etymology of kendʰ- itself →

English (4)

Middle English (1)

Old English (1)

Proto-Germanic (1)