IPA: //diːˈwɔːtər//
KK: /diˈwɔtər/
To take water out of something, such as soil or waste material.
The construction team had to dewater the site before starting the foundation work.
Past: dewatered
Past Participle: dewatered
Dewater → It is formed from "de-" (meaning removal or reversal) and "water" (from Old English "wæter", meaning liquid). The word "dewater" means to remove water from something.
Think of 'removing' ('de-') 'water' — that's why dewater means to take water out.