quidnam
quidnam is a Latin form of quisnam, meaning “who?, what? (emphatic)”. It is the accusative singular neuter pronoun or nominative singular neuter pronoun.
Found 205 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 8.55.2: Hoc facto quamquam nulli erat dubium, quidnam contra Caesarem pararetur, tamen Caesar omnia patienda esse statuit, quoad sibi spes aliqua relinqueretur iure potius disceptandi quam belli gerendi. Contendit
Cicero, Tusculanae Disputationes 3.1: Quidnam esse, Brute, causae putem, cur, cum constemus ex animo et corpore, corporis curandi tuendique causa quaesita …
Plautus, Captivi 2.1.211b: Quídnam id est?
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.