embush
To place or hide in a thicket; to ambush.
obsolete
[…]embushing himselfe presently among the bushes and brambles
Where it comes from
From Middle English embushen, enbusshen, enbuschen, from Old French embuissier, enbuschier. Compare ambush, imbosk.
Adapted from the Wiktionary entry embush (CC BY-SA 4.0).