πηχισμός
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)
ὁ, measuring by the cubit, Ostr.Bodl. i 90 (ii B.C.), PTeb.164.14 (ii B.C., pl.), Sm.,Al. l.c., Judeich Altertümer von Hierapolis No.262.