διίστασθαι
From LSJ
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
Greek > English (Woodhouse Verbs Reversed)
(see also διίστημι): open, quarrel, separate, be at enmity, be at variance, be divided in opinion, be separated, go different ways, stand at intervals