κιθαριστρίς
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)
ίδος, ἡ, = foreg., Nic.Dam.66.26 J.(pl.), Lemma to AP5.221 (Agath.).