at what point of time, at what hour, on what day
Ancient Greek word, found 90 times in the texts on Socratos.
Thucydides, History of the Peloponnesian War 4.125.1: … δη ἀμφοτέροις μὲν δοκοῦν ἀναχωρεῖν διὰ τὸ δέος αὐτῶν ὄντων ἀνθρώπων μαχίμων, κυρωθὲν δὲ οὐδὲν ἐκ τῆς διαφορᾶς ὁπηνίκα χρὴ ὁρμᾶσθαι, νυκτός τε ἐπιγενομένης, οἱ μὲν Μακεδόνες καὶ τὸ πλῆθος τῶν βαρβάρων εὐθὺς φοβηθέντες, ὅπερ φιλε …
Sophocles, Philoctetes 464: ἡμεῖς δʼ ἴωμεν, ὡς ὁπηνίκʼ ἂν θεὸς