Word accented on the antepenultimate syllable (the answer is an example of one)

• Word having stress or acute accent on the antepenult

Wikipedia Word definitions in Wikipedia
Proparoxytone is a linguistic term for a word with stress on the antepenultimate (third last) syllable such as the English words "cinema" and "operational". Related terms are paroxytone (stress on the last but one) and oxytone (accented on the last one). ...

Wiktionary Word definitions in Wiktionary
a. pertaining to a word in any language, originally in ancient Greek, with the stress (or an acute accent) on the antepenultimate syllable. n. a proparoxytone word

WordNet Word definitions in WordNet
n. word having stress or acute accent on the antepenult

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Proparoxytone \Pro`par*ox"y*tone\, n. [Gr. ?. See Pro- , and Paroxytone .] (Gr. Gram.) A word which has the acute accent on the antepenult.