παρατηρέω, παρατήρω: imperfect 3 person plural παρετήρουν; 1 aorist παρετήρησα; middle, present παρατηροῦμαι; imperfect 3 person plural παρετηροῦντο; properly, to stand beside and watch (cf. παρά, IV. 1); to watch assiduously, observe carefully;

a. to watch, attend to, with the eyes: τά ἐκ τοῦ οὐρανοῦ γιγνόμενα; of auguries, Dio Cassius, 38, 13; τινα, one, to see what he is going to do (Xenophon, mem. 3, 14, 4); contextually in a bad sense, to watch insidiously, Luk 20:20 (Tr marginal reading ἀποχωρησαντες) (joined with ἐνεδρεύειν, Polybius 17, 3, 2); τινα (Polybius 11, 9, 9; the Sept. Psa 36:12 (); Susanna 16) followed by the interrogative εἰ, Mar 3:2 R G T WH Tr text; Luke vi.; Rec.; middle to watch for oneself: Mar 3:2 L Tr marginal reading; Luk 6:7 L T Tr WH ((in both passive followed by interrogative εἰ)); Luk 14:1; active with an accusative of place (Polybius 1, 29, 4): τάς πύλας (followed by ὅπως, cf. Buttmann, 237 (205)), Act 9:24 R G, where L T Tr WH give middle παρετηροῦντο.

b. to observe equivalent to to keep scrupulously; to neglect nothing requisite to the religious observance of: ἑβδομάδας, Josephus, Antiquities 3, 5, 5; (τήν τῶν σαββάτων ἡμέραν. id. 14, 10, 25); middle (for oneself, i. e. for one’s salvation), ἡμέρας, μῆνας, καιρούς, Gal 4:10 (ὅσα προσταττουσιν, οἱ νόμοι, Dio Cassius, 53, 10; (τά εἰς βρῶσιν οὐ νενομισμενα, Josephus, contra Apion 2, 39, 2)).