Proparoxytone is a linguistic term for a word with stress on the antepenultimate syllable, that is, the last but two. Related terms are paroxytone (stress on the last but one) and oxytone (accented on the last one).
This article is a substub, the first step on the way to becoming a full article. You can help by [ ṣlocalurl: : |action=edit}} expanding it].
