duabus
duabus is a Latin form of duo, meaning “two”. It is the ablative plural feminine adjective or dative plural feminine numeral or ablative plural feminine numeral.
Found 333 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.21.2: Renuntiatum est facilem esse. De tertia vigilia T. Labienum, legatum pro praetore, cum duabus legionibus et iis ducibus qui iter cognoverant summum iugum montis ascendere iubet; quid sui consilii sit ostendit.
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.