παρέργῳ (parergo)
παρέργῳ is an Ancient Greek form of πάρεργος, meaning “secondary, incidental; by-work”. It is the dative singular masculine adjective.
Found 35 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 6.69.3: … τῶν ξυμμάχων μέγιστον μὲν περὶ τῆς αὐτίκα ἀνελπίστου σωτηρίας, ἢν μὴ κρατῶσι, τὸ πρόθυμον εἶχον, ἔπειτα δὲ ἐν παρέργῳ καὶ εἴ τι ἄλλο ξυγκαταστρεψαμένοις ῥᾷον αὐτοῖς ὑπακούσεται.
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.