ostendisset
ostendisset is a Latin form of ostendo, meaning “show, display”. It is the 3rd person singular pluperfect active subjunctive.
Found 29 times in the Latin texts on Socratos.
Where it is used
Cicero, In C. Verrem 2.1.135: … m devorasset, neque ulla aequitate orationis neque auctoritate M. Marcelli commotus est; itaque quem ad modum ostendisset se id exacturum esse respondit.
All forms of ostendo (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.