poteras
poteras is a Latin form of possum, meaning “be able, can”. It is the 2nd person singular imperfect active indicative.
Found 65 times in the Latin texts on Socratos.
Where it is used
Cicero, Philippicae 2.4: … ebat a pluribus nominari—tu nec solvendo eras nec te ullo modo nisi eversa re publica incolumem fore putabas. poteras autem eo tempore auguratum petere cum in Italia Curio non esset, aut tum cum es factus unam tribum sine Curio …
Martial, Epigrammata 7.8.5: Felix sorte tua! Poteras non cedere Iano,
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.