firma
firma is a Latin form of firmus, meaning “firm, strong, steady; reliable”. It is the nominative singular feminine adjective or 2nd person singular present active imperative.
It can also be a form of firmo, “strengthen, make firm; encourage; confirm, assert”.
Found 130 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 5.54.2: Tamen Senones, quae est civitas in primis firma et magnae inter Gallos auctoritatis, Cavarinum, quem Caesar apud eos regem constituerat, cuius frater Moritas …
Ovid, Ars Amatoria 2.652: Firmaque adoptivas arbor habebit opes.
All forms of firmus (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.