hiberna
hiberna is a Latin form of hibernus, meaning “of winter, wintry; (hiberna) winter quarters”. It is the accusative plural neuter adjective or 2nd person singular present active imperative.
It can also be a form of hiberno, “spend the winter, winter”.
Found 167 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.54.2: Caesar una aestate duobus maximis bellis confectis maturius paulo quam tempus anni postulabat in hiberna in Sequanos exercitum deduxit; hibernis Labienum praeposuit;
Catullus, Carmina elegies.80.2: Hiberna fiant candidiora nive,
All forms of hibernus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.