tribuniciam
tribuniciam is a Latin form of tribunicius, meaning “of a tribune; (noun) ex-tribune”. It is the accusative singular feminine adjective.
Found 42 times in the Latin texts on Socratos.
Where it is used
Cicero, In C. Verrem 1.1.44: neque enim ullam aliam ob causam populus Romanus tribuniciam potestatem tanto studio requisivit; quam cum poscebat, verbo illam poscere videbatur, re vera iudicia posceba …
All forms of tribunicius (declension 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.