recede
/rɪˈsiːd/Definitions
1. verb
to move or go back; to move back or retreat, especially in a gradual or slow way
“The tide began to recede from the shore.”
2. noun
a gradual or slow movement away from something, especially a place or an area
“The recession of the glacier exposed a new valley.”
3. verb
to become smaller or less prominent in size or extent, especially due to erosion or weathering
“The cliff began to recede into the sea after years of wave action.”