sexennis

From sex (“six”) +‎ annus (“year”) +‎ -is (suffix forming compound adjectives).

• (Classical Latin) IPA^(key): [sɛkˈsɛn.nɪs]
• (modern Italianate Ecclesiastical) IPA^(key): [seɡˈzɛn.nis]

sexennis (neuter sexenne); third-declension two-termination adjective

1. six-year-old
   • c. 194 BCE, Plautus, Poenulus 4.2.78–82:

     [Milphio] Di vostram fidem,
     nimium lepidum memoras facinus. nam erus meus Agorastocles
     ibidem gnatust, inde surptus fere sexennis, postibi
     qui eum surrupuit huc devexit meoque ero eum hic vendidit.
     Is in divitias homo adoptavit hunc, quom diem obiit suom.

     (please add an English translation of this quotation)

   • 77 CE – 79 CE, Pliny the Elder, Naturalis Historia VIII.32.50:

     Indicia quoque aetatis [cervis] in illis [cornibus] gerunt, singulos annis adicientibus ramos usque ad sexennes; ab eo tempore similia revivescunt, nec potest aetas discerni; sed dentibus senecta declaratur: aut enim paucos aut nullos habent nec in cornibus imis ramos, alioqui ante frontem prominere solitos iunioribus.

     (please add an English translation of this quotation)

2. of six years, lasting six years

   (Can we add an example for this sense?)

3. (collateral, rare) happening after an interval of six years
   • c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico III.20:

     Atque ipsis, ad quorum commodum pertinebat, durior inventus est Caelius. Et ab hoc profectus initio, ne frustra ingressus turpem causam videretur, legem promulgavit, ut sexenni die sine usuris creditae pecuniae solvantur.

     (please add an English translation of this quotation)

Third-declension two-termination adjective.

• “sexennis”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “sexennis”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette, page 1434/2.
• “sexennis” on page 1752/1 of the Oxford Latin Dictionary (1st ed., 1968–82)