dredging is a form of:

Dredge



noun
1.
(an apparatus for scooping earth, etc., from the bottom of a bobby of water) ម៉ាស៊ីនបូមភក់ពីមាត់ទន្លេ​ឬបឹង
verb
1.
(TRANSITIVE) (to gather (up) or search (for) as with a dredge, to enlarge with a dredge) dredge a river បូមភក់ចេញ (ពីបាតទន្លេបឹង)
Example: The government will dredge the river.
  • dredge up
    - រំលីកឡើង
    - បូមឬស្ដារឡើង (ពីបាត់សមុទ្រឫទន្លេ)