Source : Webster's Revised Unabridged Dictionary (1913)

Athetize \Ath"e*tize\, v. t. [imp. & p. p. {Athetized}; p. pr. &
   vb. n. {Athetizing}.] [Gr. ?, fr. ? set aside, not fixed; ?
   not + ? to place.]
   To set aside or reject as spurious, as by marking with an
   obelus.