Merriam-Webster's Collegiate® Dictionary, 11th Edition
REEK
I. noun
Etymology: Middle English rek, from Old English rēc; akin to Old High German rouh smoke Date: before 12th century smoke , vapor , fog , a strong or disagreeable fume or odor,
II. verb Date: before 12th century intransitive verb to emit smoke or vapor,
2. to give off or become permeated with a strong or offensive odor , to give a strong impression of some constituent quality or feature , emanate , transitive verb to subject to the action of smoke or vapor, exude , give off , reeker noun reeky adjective