lurk

kätkeytyä, olla väijyksissä

väijyä

vaania To remain concealed in order to ambush.
(quote-magazine)
To remain unobserved.
1898, (w), (w) Chapter 4

Thus my plight was evil indeed, for I had nothing now to burn to give me light, and knew that 'twas no use setting to grout till I could see to go about it. Moreover, the darkness was of that black kind that is never found beneath the open sky, no, not even on the darkest night, but lurks in close and covered places and strains the eyes in trying to see into it.

if we find the sophist lurking, we must round him up by royal command of the argument

There were enemies on the lurk and time was against him.

... barked furiously and made at him as at a wolf, and before he could wholly rise from the lurk because of the sudden consternation, ...

At two PM a man had called on him, and had produced one of his advertisements, and had asked him if that was all square—no bobbies on the lurk.