sump

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun an oil reservoir in an internal combustion engine
  2. noun a well or other hole in which water has collected
  3. noun a covered cistern; waste water and sewage flow into it

Etymology

From Middle English sompe, either from Middle Dutch somp, sump or Middle Low German sump from Old Saxon *sump, from Proto-West Germanic *sump, ultimately from Proto-Germanic *sumpaz. Doublet of swamp.

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