ὑποκατα-σκευάζω · hypokata-skeuazō — LSJ
prepare secretly, ἐνέδραν J. AJ 15.4.2; μῖσος ib. 16.1.2 (Pass.); prepare beforehand, Iamb. Myst. 3.27 (Pass.); δεῖ -εσκευάσθαι μᾶλλον τοῦ διαλόγου τὴν ἐπιστολήν should be somewhat more studied, Demetr. Eloc. 224.