during
From LSJ
ἑὰν δὲ προσποιούμενος ᾗ τὰ μαθήματά πως ἀπείρως προβάλλων, οὐκ ἔστιν αἰτίας ἔξω → But should one profess knowledge as he puts forward something in an inexperienced way, he is not without blame (Pappus 3.1.30.31f.)
English > Greek (Woodhouse)
prep.
With nouns expressing time, use acc.; with other nouns, use P. and V. διά (gen.), sometimes ἐν (dat.), P. παρά (acc.). Rising up during dinner: P. ἐξαναστάντες μεταξὺ δειπνοῦντες (Dem. 284).