n. The last syllable of a word except two; an antepenult.
The Century Dictionary and Cyclopedia
n. The last syllable but two of a word, as syl in monosyllable.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the 3rd syllable of a word counting back from the end
Word Usage
"The French in his whole language hath not one word that hath his accent in the last syllable saving two, called antepenultima, and little more hath the Spanish; and therefore very gracelessly may they use dactyls."