erode

verbs

become ground down or deteriorate
"Her confidence eroded"
eat at, erode, gnaw, gnaw at, wear away
is derived from
erosive
is derived from
erosion
remove soil or rock
"Rain eroded the terraces"
eat away, erode, fret
is derived from
erosive
is derived from
erosion
is derived from
erosion
is derived from
eroding