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
zeros: i, m.,
I a precious stone, otherwise unknown, Plin. 37, 9, 53, § 138 (al. leros).
zerŏs, ī, m., sorte de pierre précieuse [al. leros ] : *Plin. 37, 138.