θαμυρίζω
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)
A assemble, Hsch.; take part in a meeting, θαμυριδδόντων [τῶν δεῖνα] BCH50.401 (Thespiae); θάμῠρις, ἡ, assembly, Hsch.