A.to be conscious, in full possession of one's faculties, “τῷ καὶ τεθνηῶτι νόον πόρε Περσεφόνεια οἴῳ πεπνῦσθαι: τοὶ δὲ σκιαὶ ἀΐσσουσιν” Od.10.495 ; “π. ἐν νεκύεσσι” Call.Lau. Pall.129.
2. more freq. to be wise, “πέπνυσαι . . νόῳ ιλ.24.377 ; οὔ σ᾽ ἔτυμόν γε φάμεν πεπνῦσθαι Ἀχαιοί” 23.440 ; imper. “πέπνυ^σο” Thgn.29 : plpf. with impf. sense, “τά περ ἄλλα μάλιστα ἀνθρώπων πέπνυ_σο” Od.23.210 : most freq. in part. πεπνυμένος, of persons, Il.3.203, Od.3.52 ; also of things, π. μῦθος, π. μήδεα, 1.361, Il.7.278 ; “στόμα” Hsch.; πεπνυμένα ἀγορεύειν, βάζειν, etc., Od.19.352, Il.9.58, etc.; once in Hes., “πεπνυμένα εἰδώς” Op.731 ; in later Prose, “πεπνυμένη ῥῆσις” Anaxarch. 1 ; “τὰ θεῖα πεπνυμένος” Plu.Num.4 ; αἱ (v.l. οἱ) π. the experts, Aret. SD2.11.—In aor. opt. Pass., πνυθείης ἀκόνιτον understand it, Nic.Al. 13.
3. breathe, “ζῶντες καὶ πεπν. ἄνδρες” Plb.6.47.9; “εἰκόνες” Id.6.53.10. (From root πενυ^- which becomes πινυ^- in πινυτός (cf. Σικυών from Σεκυών, Λιβύη from Λεβύα), ἀπινύσσω ; πνυ_-also in pr. n. Πνυταγόρας, πνυτός : not cogn. with πνέω, with which however it soon began to be confused, cf. “ἄμπνυτο, ἀναπνέω” 1.1.)