ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
SourceFrench (Bailly abrégé)
3ᵉ pl. éol. ao. Pass. de διακρίνω.
Russian (Dvoretsky)
διέκριθεν: Hom. 3 л. pl. aor. pass. к διακρίνω.