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
adj.
P. and V. ἄτρωτος. Has he a body so invulnerable to the sword? V. οὕτω σιδήρῳ τρωτὸν οὐκ ἔχει δέμας; (Eur., Hel. 810).
δύστρωτος, δυσάλωτος, ἀνούτατος, ἀτόρητος, ἀδιακόντιστος, ἄτμητος, ἄτρωτος, ἀνούτητος, ἀδήλητος, ἄρρηκτος