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χοῦν

Ἓν οἶδα, ὅτι οὐδὲν οἶδα –> I know only one thing, that I know nothing | all I know is that I know nothing.
Diogenes Laertius, Lives of the Philosophers, Book 2 sec. 32.

French (Bailly abrégé)

acc. de χοῦς.

Russian (Dvoretsky)

χοῦν:
I acc. к χόος I и II.
II inf. praes. к χόω.

Greek > English (Woodhouse Verbs Reversed)

χοῦν = heap, bank up, pile up, throw up earth (see also: χῶ, χόω)

⇢ Look up "χοῦν" on Google | Wiktionary | LSJ full text search (Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)