References in common literature ? I gave the heap a shove around the lip on the entrance. Another instant there arrived up from down below a howl of rage. encroachment, intrusion, invasion - any entry into a region not Formerly occupied; "an invasion of travelers"; "an invasion of locusts" 1 https://entrance-mats89001.blogaritma.com/35858894/a-secret-weapon-for-entrance-mats