ebb
ebb
verb
To gradually recede or decline, especially of the tide moving away from land.
"The tide began to ebb from the shore."
noun
The outward movement of the tide, or a period of decline or low activity.
"The boat was stuck during the ebb."
Thesaurus
Synonyms: reflux, ebbing, wane, ebb down, ebb out, ebb away, ebb off