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
SourceGreek (Liddell-Scott)
ἐείλεον: ἴδε τὸ ῥῆμα εἴλω.
French (Bailly abrégé)
impf. poét. de εἰλέω.