The cylindrical part at the end of a paper machine roll or industrial equipment that is reinforced or shaped for structural support.
From German 'end-' (end) and 'rumpf' (body/trunk), entering English technical vocabulary in the 19th century through industrial machinery terminology, referring to the main structural body at equipment endpoints.
This wonderfully obscure German-English hybrid reveals how industrial revolutions create hybrid languages—papermakers, textile workers, and engineers borrowed German technical terms because Germany led mechanical innovation in the 1800s.
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