Dreich may be the etymological forebear of drek, then. Any views?

CK, I cannot forebear [] saying, "Honor thy yiddish!" Dreck is yiddish, and a commonly-used word.

dreck: slang Trash, especially inferior merchandise.
ETYMOLOGY: German, dirt, trash and Yiddish drek, excrement
http://www.bartleby.com/61/63/D0386300.html

"Dreich" is obscure scottish, and is pronuonced with a long-e sound.
http://www.scotsmagazine.com/words.htm#D