waylay \WAY-lay\ (transitive verb) - 1 : To lie in wait for and attack from ambush. 2 : To approach or stop (someone) unexpectedly.
"They waylay you. They waylay anybody who tries to come in here. I had to walk a... gauntlet just now to get in my own building." -- Tom Wolfe, 'The Bonfire of the Vanities'
Waylay comes from way (from Old English weg) + lay (from Old English lecgan).