antepenultimate

nouns

the 3rd syllable of a word counting back from the end
antepenult, antepenultima, antepenultimate

adjectives

third from last
antepenultimate
is derived from
antepenultima
is similar to
lying between two extremes in time or space or state
"going from sitting to standing without intermediate pushes with the hands"; "intermediate stages in a process"; "intermediate stops on the route"; "an intermediate range plane"
intermediate