References in vintage literature ? I gave the heap a shove above the lip on the entrance. The following second there came up from below a howl of rage. encroachment, intrusion, invasion - any entry into an area not Beforehand occupied; "an invasion of travelers"; "an invasion of locusts" space, https://entrancemats34556.is-blog.com/44594146/entrance-mats-things-to-know-before-you-buy