overcreep
/ˌoʊvərˈkripi/Definitions
1. noun
a slow, uncontrolled movement or growth of something, especially plant roots or vines, across a surface.
“The overcreep of the ivy onto the walls of the old mansion was a concern for the preservationists.”
2. verb
to move or grow slowly and uncontrollably across a surface, especially in a spreading or creeping manner.
“The weeds overcrept onto the garden path and began to choke the flowers.”