ἄνδραγχος
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)
ὁ,
A throttler of men: executioner, Eust.1833.54, 1858.57: ἄνδραχοι· δήμιος Hsch.