εἰσότε
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
English (LSJ)
for εἰς ὅτε,
A against the time when, Od.2.99,al.
German (Pape)
[Seite 745] bis daß, Od. 2, 99 getrennt geschrieben, u. sp. D.