Proparoxytone is a linguistic term for a word with stress on the antepenultimate syllable such as the English words "cinema" and "operational". Related terms are paroxytone and oxytone.

What is an proparoxytone word?

Proparoxytone (Greek: προπαροξύτονος, proparoxýtonos) 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 penultimate syllable) and oxytone (stress on the last syllable).

What is Antepenult in English?

: the third syllable of a word counting from the end (such as cu in accumulate)