A / antĕ-paenultĭmus
adjective

antĕ-paenultĭmus

fem. antĕ-paenultĭma · neut. antĕ-paenultĭmum
(less correctly written )
in gram., pertaining to the third syllable from the end, antepenultimate, Diom.…
in gram., pertaining to the third syllable from the end, antepenultimate, Diom. p. 425 P.; Mart. Cap. 3, p. 60 al.