But the LSJ definition does not focus on spirit, these other meanings seem common, and the definition points out the relationship between this word and πνέω, to blow.
https://logeion.uchicago.edu/%CF%80%CE% ... E%BC%CE%B1
BrillDAG also seems to stress these other meanings for classical Greek:
πνεῦμα -ατος, τό [πνέω] breath, puff (of wind): πνεύματα ἀνέμων breath of wind AESCHL. Pr. 1086 HDT. 7.16 α1; ἄνθρωπός ἐστι π. καὶ σκιὰ μόνον man is only breath and shadow SOPH. fr. 13, cf. PLAT. Phaed. 70a ‖ wind AESCHL. Pers. 101 SOPH. Ai. 558, 674 EUR. Cycl. 278 ARISTOPH. Eq. 441, Ran. 1003 THUC. 2.97.1, al. XEN. Hel. 6.2.27 PLAT. Cr. 410b etc.; κατὰ πνεῦμα under the wind, following the direction of the wind ARISTOT. H.A. 535a 19; κατὰ πνεῦμα τοῦ ἄρρενος according to the breath of the male ARISTOT. H.A. 560b 14; δεξιοῖς πνεύμασι (sailing) with favorable winds ALCIPHR. 4.19.8 ‖ air (as element) CH 1.9.16 PLOT. 2.2.2 etc. ‖ fig. breeze, breath, wind: λύσσης of anger AESCHL. Pr. 884; συμφορᾶς of misfortune EUR. I.T. 1317; θεοῦ of the god AESCHL. Sept. 708 EUR. H.F. 216; π. ταὐτὸν οὔποτʼ οὔτʼ ἐν ἀνδράσιν φίλοις βέβηκεν οὔτε πρὸς πόλιν πόλει the same wind does not always blow either between friendly men nor between cities SOPH. O.C. 612 ‖ breath, sound (of a wind instrument): λωτοῦ of a aulos EUR. Ph. 787; αὐλῶν of auloi EUR. Bac. 128 ‖ exhalation, odor EUR. Hip. 1391 (of perfume) THPHR. Sens. 25 PLUT. QConv. 647b (of a tree) ‖ air emitted from the stomach, flatulence EUB. 106.9 ARISTOT. Pr. 948b 25 DIOSC.2 2.112 DIOG. 6.94 GEOP. 12.22.11 ‖ breath AESCHL. Eum. 568 PLAT. Tim. 91c THPHR. Sud. 25, al. PLUT. QConv. 642c, Praec. 804b; π. ἀθροῖσαι to muster the breath EUR. Ph. 851; π. ἀφιέναι to let out the breath EUR. Hec. 571 THUC. 2.49.2 = π. ἀνεῖναι EUR. Or. 277 = π. μεθεῖναι EUR. Tr. 785 ‖ medic. air breathed in, pneuma HP. Acut. (Sp.) 7 ERASISTR. fr. 230.23 GAL. U.P. 8.6 (1.465.11), al. etc. | extens. respiration, respiratory movement HP. Acut. 16, Aph. 4.68, Epid. 2.3.1, al.; τὸ π. ἔχειν ἄνω to be breathless, pant MEN. fr. 25.5, cf. SOSICR. 1.3 (with γίγνεσθαι) ‖ fig. respiration, life PLUT. Per. 13.5 = π. ζωῆς VT Gen. 6:17, al.; π. λιπεῖν to leave one’s life EUR. Suppl. 554 = π. ἀπολέσαι AESCHL. Sept. 982; τὸ π. ἔχειν to breathe, live, preserve life POL. 31.10.4 ‖ gramm. breathing: δασύ soft (spiritus lenis) AP.7 Pron. 78.6; ψιλόν rough (spiritus asper) AP.7 Adv. 148.9 ‖ animosity, wrath, anger PLUT. Pyr. 16.13 (with θυμός) ‖ rhet. inspiration, vigor (of intelligence) DION. Thuc. 23.6, al. AN. Subl. 9.13 ‖ breath, divine inspiration PLAT. Ax. 370c DIOSC. AP 6.220.4 PLUT. Def. orac. 438b ‖ spiritual element, holy spirit: π. θεῖον divine spirit MEN. fr. 372.3 (of τύχη) VT Gen. 1:2 etc.; π. ἅγιον holy spirit NT Matt. 1:18, al. etc. ‖ spiritual creature, angel NT Heb. 1:14 | evil angel, malign spirit VT 1 Kgs. 22:21 NT Matt. 8:16, Acts 5:16, al. etc. ‖ spirit, spiritual element (of man) NT 1 Cor. 5:3 (opp. to σῶμα body), Thess. 5.23 (distinct from ψυχή soul).
Montanari, F. (2015). In M. Goh & C. Schroeder (Eds.), The Brill Dictionary of Ancient Greek. Brill.
ἐξίσταντο δὲ πάντες καὶ διηποροῦντο, ἄλλος πρὸς ἄλλον λέγοντες, τί θέλει τοῦτο εἶναι;
http://jonathanrobie.biblicalhumanities.org/