ἰσχύει (ischyei)
ἰσχύει is an Ancient Greek form of ἰσχύω, meaning “be strong, have power”. It is the 3rd person singular present active indicative.
Found 57 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 2.87.4: … μὲν ἔχουσα καὶ μνήμην ἕξει ἐν τῷ δεινῷ ἐπιτελεῖν ἃ ἔμαθεν, ἄνευ δὲ εὐψυχίας οὐδεμία τέχνη πρὸς τοὺς κινδύνους ἰσχύει. φόβος γὰρ μνήμην ἐκπλήσσει, τέχνη δὲ ἄνευ ἀλκῆς οὐδὲν ὠφελεῖ.
All forms of ἰσχύω (conjugation table)
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.