ἀεναής
From LSJ
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
English (LSJ)
ἀεναές, = ἀέναος (ever-flowing, everlasting), κελάδημα IPE 1². 519 (Chersonesus, ii AD).
Spanish (DGE)
v. ἀειναής.