References in vintage literature ? I gave the heap a shove in excess of the lip with the entrance. Another moment there came up from beneath a howl of rage. encroachment, intrusion, invasion - any entry into an area not Earlier occupied; "an invasion of travelers"; "an invasion of locusts" https://waylonwmeth.59bloggers.com/38127852/entrance-mats-things-to-know-before-you-buy