tertium

tertium is a Latin form of tertius, meaning “third”. It is the accusative singular neuter adjective or accusative singular masculine numeral or accusative singular masculine adjective or accusative singular masculine noun.

Found 415 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Gallico 1.3.2: Ad eas res conficiendas biennium sibi satis esse duxerunt; in tertium annum profectionem lege confirmant.

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.