espial (iou)

espial noun. LME.
[Old French espiaille action of spying, (in pl.) spies, from espier ESPY: see -AL1.]
a. The action or an act of spying or keeping watch. arch. LME.
Dickens The Captain..cut a small hole of espial in the wall.
b. The action of espying; the fact of being espied. L16.
M. Innes She must slip to the other side and risk espial from the house.
A body of spies; a spy, a scout. LME-E19.