ἰσχυροπράγμων
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
English (LSJ)
ον, gen. ονος,
A doing mighty deeds, Paul.Al.O.1; gloss on ὀβριμοεργός, Sch.D Il.5.403.