540 The Accusative in many expressions has become in effect an adverb. Such Adverbial Accusatives are special forms of the uses described in [536](file:///x:/Departments/Classics_Texts/schoolgrammarofa00goodrich_porson/HTML%20Files/Chapter-536.html), [537](file:///x:/Departments/Classics_Texts/schoolgrammarofa00goodrich_porson/HTML%20Files/Chapter-537.html), [538](file:///x:/Departments/Classics_Texts/schoolgrammarofa00goodrich_porson/HTML%20Files/Chapter-538.html), [539](file:///x:/Departments/Classics_Texts/schoolgrammarofa00goodrich_porson/HTML%20Files/Chapter-539.html), we can not always say which. The following are rather frequent:
Tόνδε τὸν τρόπον in this manner, τὴν ταχίστην (ὁδόν) by the quickest road, most speedily, οὐκ ἀρχήν not at all, δίκην like, in the manner of. πρῶτον at first, τὸ πρῶτον first, τὸ λοιπόν hereafter, τί why? τι somewhat, τοῦτο or ταῦτα for this reason.