παρομαρτέω
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
English (LSJ)
A accompany, Plu.Ant.26, Aret.SA2.2, Jul.Caes.312c, etc.; πρεσβύτῃ χαλεπὰ π. Junc. ap. Stob.4.50.85; ἡ γοητεία προηγεῖται καὶ ἡ ἀναισχυντία π. Luc. Tim.55, cf. Im.9, Porph.Abst.2.49, CPHerm. 6.15 (iii A.D.).