ἐναποτόμως
From LSJ
ὅπου ἡ λεοντῆ μὴ ἐφικνεῖται, προσραπτέον ἐκεῖ τὴν ἀλωπεκῆν → if a lionskin doesn't do the trick, put on the fox | if force doesn't work, try cunning | where the lion's skin will not reach, it must be patched out with the fox's
Spanish (DGE)
(ἐνᾰποτόμως) adv. implacablemente ξέειν ἐ. τὸν μάρτυρα Rom.Mel.82.ιςʹ.1.