быть в неведении

From LSJ

ὅσα ἦν νενοσσευμένα ὀρνίθων γένεα → as many species of birds as had their nests, all the other kinds of birds which had been hatched

Source

Russian > Greek

ἀλάομαι, ἀβακέω, ἀμφιγνοέω