ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν 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
3ᵉ pl. prés. ind. Pass. contr. de λούω.
λοῦνται: 3 л. pl. praes. pass. к λούω.