διερευνάω

A. track down, Pl. Sph. 241b; search, examine, CPHerm. 8ii5 (ii A. D.), Jul. Or. 7.222c, etc.:—freq. in Med., Pl. Phd. 78a, Mx. 240b, Onos. 6.7, Plu. Them. 10, etc.; δ. τί ἐστὶν ἑκάτερον Pl. R. 368c:— Pass., Plb. 14.2.1.