operis
Operis is a Latin term that functions as the genitive singular of opus, meaning “of the work” or “of the labor.” It is used to express possession, relation, or attribution in classical Latin sentences.
Etymology and grammar: Opus is a neuter noun of the third declension. Its genitive singular is operis;
Usage: Operis appears primarily in Latin texts—literary, philosophical, legal, or scholarly—where precise expression of possession or
Modern usage: In contemporary contexts, operis may appear as a company name, product line, or project title.