References in traditional literature ? I gave the heap a shove more than the lip from the entrance. The next moment there arrived up from underneath a howl of rage. encroachment, intrusion, invasion - any entry into a location not previously occupied; "an invasion of holidaymakers"; "an invasion of locusts" https://rafaelvneth.idblogz.com/38273012/the-fact-about-entrance-mats-that-no-one-is-suggesting