v. Obs. [OE. ateorian, f. A- pref. 1 + teorian to TIRE.] To become weary, cease, fail.
c. 1000. Ps. (Spl.), xi. 1 (Bosw.). Ateorode háliʓ.
c. 1200. Trin. Coll. Hom., 29. Vnwreste þu best ȝef þu wreche ne secst ȝief mihte þe ne atiereð.