ἐφύλαττεν (ephylatten)
ἐφύλαττεν is an Ancient Greek form of φυλάσσω, meaning “guard, watch; (mid.) be on guard against”. It is the 3rd person singular imperfect active indicative.
Found 33 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Theseus 31.4: … ἁρπασομένους πυνθανόμενος συνέλαβε· καὶ τὸν μὲν Πειρίθουν εὐθὺς ἠφάνισε διὰ τοῦ κυνός, τὸν δὲ Θησέα καθείρξας ἐφύλαττεν.
All forms of φυλάσσω (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.