antepenultimate

noun

  1. Two before the last in a series. e.g. (..., antepenultimate, penultimate, ultimate)

  2. The syllable that comes two before the last in a word.

    "The words animal, citizen, comedy, dangerous, obvious, and antepenultimate are stressed on the antepenultimate."

adjective

  1. Two before the last, i.e., the one immediately before the penultimate, in a series.

    "This book has ten chapters — chapter 8 is the antepenultimate one."

Synonyms: peripenultimate, propenultimate, third last, third to last