German prefix "denoting destruction, reversal, or completion" [Watkins], from Proto-Germanic *fer-, *far- (see per). if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}