Accusative: reference as modifier

Syntactical Level

διὰ μέσου δὲ τῆς πόλεως ῥεῖ ποταμὸς Κύδνος ὄνομα, εὖρος δύο πλέθρων

Door het midden van de stad stroomt een rivier, Kydnos genaamd, twee plethra breed.

The accusative signals the quality or entity to which a noun refers, particularly with regard to its size, name or provenance.

Lexical usage

The following accusatives are often used as accusatives of reference, usually without the article: ὄνομα ‘by name’, γένος ‘by family’, ἀριθμόν ‘in number’, μέγεθος ‘in size’, εὖρος ‘in breadth’, ὕψος ‘in height’, μῆκος ‘in weight’.

Example Sentences: 

ὦ πάτερ, ἦ τοι σεῖο μέγα κλέος αἰὲν ἄκουον, | χεῖράς τ’ αἰχμητὴν ἔμεναι

Vader, ik heb altijd gehoord over uw grote roem, over het feit dat u een lansdrager, bedreven met de hand, bent.

δωρεὰν δ’ εἰληφότα ὁδοῦ τῆς εἰς Ῥώμην τριακοσίων ταλάντων ἀριθμόν

... and for his journey to Rome he had received a reward of thirty talents in number.