OprindelsePossibly from Low German klumpe, from Middle Low German klumpe, from Old Saxon *klumpo, from Proto-Germanic *klumpô.
Formerklumpen(definite, singular) · klumper(indefinite, plural) · klump(indefinite, nominative, singular) · klumpen(definite, nominative, singular) · klumper(indefinite, nominative, plural) · klumperne(definite, nominative, plural) · klumps(genitive, indefinite, singular) · klumpens(definite, genitive, singular) · klumpers(genitive, indefinite, plural) · klumpernes(definite, genitive, plural)
Kilde: Wiktionary