καταμην-ύω · katamēn-yō — LSJ
point out, make known, κ. διὰ γραμμάτων τοὺς οὔρους Hdt. 7.30; τόδʼ ἐγὼ καταμηνύσω A. Pr. 176 (anap.), cf. Plu. Them. 23, etc.; κ. ἑωυτὸν ὡς εἴη Ἱστιαῖος Hdt. 6.29; τὸν Ὅμηρον ὅτι . . Phld. Hom. p.54 O.:—Pass., Jul. adAth. 273d.
inform against, τινος Lys. 13.49, cf. D. 24.60; also τινὰς πρός τινα D.H. 4.43:—Pass., ὑπό τινος -μηνυθείς ib. 62, cf. Cod.Just. 10.11.8.4.
of a god, give a sign, X. HG 3.3.2.