tenuisset
tenuisset is a Latin form of teneo, meaning “hold, keep; understand”. It is the 3rd person singular pluperfect active subjunctive.
Found 32 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.40.8: … t, reperire posse diuturnitate belli defatigatis Gallis Ariovistum, cum multos menses castris se ac paludibus tenuisset neque sui potestatem fecisset, desperantes iam de pugna et dispersos subito adortum magis ratione et consilio …
All forms of teneo (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.