ὑπῆρχον (hyperchon)
ὑπῆρχον is an Ancient Greek form of ὑπάρχω, meaning “begin; be at hand; exist”. It is the 3rd person plural imperfect active indicative.
Found 50 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 1.25.4: … ν τὰ περὶ τὰς ναῦς (ᾗ καὶ μᾶλλον ἐξηρτύοντο τὸ ναυτικὸν καὶ ἦσαν οὐκ ἀδύνατοι· τριήρεις γὰρ εἴκοσι καὶ ἑκατὸν ὑπῆρχον αὐτοῖς ὅτε ἤρχοντο πολεμεῖν),
All forms of ὑπάρχω (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.