paroxytone

from WordNet (r) 3.0 (2006)

paroxytone
    n 1: word having stress or acute accent on the next to last
         syllable

from The Collaborative International Dictionary of English v.0.48

Paroxytone \Par*ox"y*tone\, n. [Gr. ?, a. See {Para-}, and
   {Oxytone}.] (Gr. Gram.)
   A word having an acute accent on the penultimate syllable.
   [1913 Webster]