espreitar

Etymology
. From, itself perhaps from , or either from , or more likely.

Verb

 * 1)  to peek at, to peer, to skulk
 * 2)  to lurk

Etymology
From, probably from , frequentative of.

Verb

 * 1)   to peek at; to peer to observe while hidden
 * 2)   to lurk to move about in hiding
 * 3)   to analyse; to examine to inspect carefully or critically