excorticate
To strip of bark, shell or skin.
archaic, obsolete
Moſs is to be rubb'd and ſcrap'd off with ſome fit inſtrument of Wood, which may not excorticate the Tree, or with a piece of Hair-cloth after a ſobbing Rain: [...]
Where it comes from
From Latin ex (“out”), from cortex, corticis (“bark”).
Adapted from the Wiktionary entry excorticate (CC BY-SA 4.0).