fiebat
fiebat is a Latin form of fio, meaning “become, be made; happen”. It is the 3rd person singular imperfect active indicative.
Found 65 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;
Plautus, Rudens 4.3.955: norám dominum, id cui fíebat,
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.