officii

officii is a Latin form of officium, meaning “duty; service”. It is the genitive singular neuter noun.

Found 158 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Civili 1.8: … esaris erat legatus. Is reliquo sermone confecto, cuius rei causa venerat, habere se a Pompeio ad eum privati officii mandata demonstrat: velle Pompeium se Caesari purgatum, ne ea, quae rei publicae causa egerit, in suam contum …

Jerome, Epistolae 52.15: Officii tui est visitare languentes, nosse domos, matronas ac liberos earum et nobilium virorum non ignorare secreta. …

All forms of officium (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.