possent
possent is a Latin form of possum, meaning “be able, can”. It is the 3rd person plural imperfect active subjunctive.
Found 735 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.2.4: His rebus fiebat ut et minus late vagarentur et minus facile finitimis bellum inferre possent;
All forms of possum (conjugation 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.