κατανό-ησις · katano-ēsis — LSJ
observation, consideration, Pl. Ti. 82c, Criti. 107d, LXX Si. 41.21; ἡ αὑτοῦ κ. introspection, Plot. 5.3.1; ἑαυτῆς (sc. ψυχῆς) Id. 4.7.10; of sense perception, ἡ διʼ αἰσθήσεως κ. Id. 6.2.4.
means of observing, πολλὴν ἑαυτοῦ παρέχειν κ. Plu. Rom. 6.