Clumsy (Norwegian, klump, a lump, Swedish, klummsen, benumbed; Icelandic, klumsa).
Piers Plowman has “thou klompsist for cold,” and Wielif has “Our hondis ben aclumpsid” Halliwell gives us clumpish = awkward, and clump = lazy.
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Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.