istanc
istanc is a Latin form of iste, meaning “that (of yours), that; such”. It is the accusative singular feminine pronoun.
Found 41 times in the Latin texts on Socratos.
Where it is used
Terence, Heautontimorumenos 4.4.736: Perii hercle. Bacchis, mane, mane: quo mittis istanc quaeso?
Plautus, Asinaria 5.1.831: Pietas, pater, oculis dolorem prohibet. quamquam ego istánc amo,
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.