v.1620s, "to pull off the bark of a tree," from Latin delibrare "to peel," from de- (see de-) + liber "bark" (see library). if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}