defecerant
defecerant is a Latin form of deficio, meaning “fail, run out; fall short, be lacking; revolt from, desert”. It is the 3rd person plural pluperfect active indicative.
Found 44 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 3.17.2: His praeerat Viridovix ac summam imperii tenebat earum omnium civitatum quae defecerant, ex quibus exercitum [magnasque copias] coegerat;
All forms of deficio (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.