cernebant
cernebant is a Latin form of cerno, meaning “see, perceive; decide”. It is the 3rd person plural imperfect active indicative.
Found 35 times in the Latin texts on Socratos.
Where it is used
Cicero, Tusculanae Disputationes 1.26: … omni antiquitate, quae quo propius aberat ab ortu et divina progenie, hoc melius ea fortasse quae erant vera cernebant. Itaque unum illud erat insitum priscis illis, quos cascos appellat Ennius, esse in morte sensum neque excess …
All forms of cerno (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.