References in vintage literature ? I gave the heap a shove above the lip in the entrance. The following moment there arrived up from down below a howl of rage. encroachment, intrusion, invasion - any entry into a location not previously occupied; "an invasion of holidaymakers"; "an invasion of locusts" https://entrance-mats26788.tusblogos.com/38097276/the-greatest-guide-to-entrance-mats