Words that come from Proto-Germanic klus-

46 words across 11 languages descend from Proto-Germanic klus- — including cluster, intercluster, intracluster, nanocluster, bicluster, subcluster, clusterin, supercluster.

See the etymology of klus- itself →

English (31)

Dutch (3)

Spanish (2)

German (2)

Old English (2)

Swedish (1)

Russian (1)

French (1)

Portuguese (1)

Serbo-Croatian (1)

Middle English (1)