ˌ ̷ ̷ ̷ ̷ˈ- noun
also an·te·pe·nul·ti·ma ˌ ̷ ̷ ̷ ̷-
( -s )
Etymology: Late Latin antepaenultima, feminine of antepaenultimus preceding the next to last, from Latin ante- + paenultimus next to last — more at penultimate
: the third syllable of a word counting from the end : the syllable preceding the next-to-last syllable (as cu in accumulate )