paenultimus
From LSJ
Νὺξ μὲν ἀναπαύει, ἡμέρα δ' ἔργον ποιεῖ → Nam nox quietem praebet, facit opus dies → Die Nacht lässt unsre Arbeit ruhn, der Tag sie tun
Latin > English (Lewis & Short)
paenultĭmus: (pēn-), a, um, adj. paene-ultimus,
I the last but one (post-class. for proximus a postremo, Cic. Or. 64, 217): paenultima meta November, Aus. Ecl. Quotae Cal. Sint Mens. 12.—
II Subst.: pae-nultĭma, ae, f. (sc. syllaba), the penultimate syllable, the penult: paenultimam circumflectere, Gell. 4, 7, 2.