praevalens
From LSJ
εἰπὼν ἃ θέλεις, ἀντάκουε ἃ μὴ θέλεις → if you say what you want, hear in response what you don't want
prae-vălens: entis, Part. and P. a., from praevaleo.
prævălēns,¹⁴ tis (prævaleo), très vigoureux, très robuste : Vell. 2, 108, 2
