ἀσυντελής
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)
ές,
A not contributing, useless, τοῖς κοινοῖς Them.Or.31.352c; πρός τι Hippiatr.Praef.2. Adv. ἀσυντελῶς, ἔχειν πρός τινας Sch.Pi.O.3.81. II = ἀσυντέλεστος, βίος M.Ant.3.8.