Quick Definition
ἐκπνέω v. I breathe my last, expire
Strong's Definition
to expire
Derivation: from G1537 (ἐκ) and G4154 (πνέω);
KJV Usage: give up the ghost
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἐκ-πνέω: 1 aor. ἐξέπνευσα ; to breathe out, breathe out one’s life, breathe one’s last, expire: Mk. xv. 37, 39; Lk. xxiii. 46, and often in Grk. writ., both without an object (fr. [Soph. Aj. 1026] Eur. down), and with βίον or ψυχήν added (fr. Aeschyl. down).
Mounce Concise Greek Dictionary
ἐκπνέω ekpneō 3x
to breathe out; to expire, die, Mk. 15:37, 39; Lk. 23:46*
Abbott-Smith Greek Lexicon
* ἐκ-πνέω, -ῶ, to breathe out; sc. βίον, ψυχήν (expressed in cl., Æsch., al.; cf. LS, s.v.), to breathe one's last, expire: Mk 15:37, 39 Lk 23:46. For force of aorist, v. Swete, Mk 15:37.†
Liddell-Scott-Jones — Greek-English Lexicon
ἐκπνέω (ekpneō) — to expire. ἐκ-πνέω, Epic dialect ἐκ-πνείω [Refs 4th c.AD+], imperfect -είεσκον [Refs]future -πνεύσομαι or -οῦμαι:— breathe out or forth, κεραυνὸς ἐκπνέων φλόγα [Refs 5th c.BC+]
2. βίον ἐ. breathe one's last, expire, [Refs 5th c.BC+]: metaphorically, lose power, [Refs]; lose lustre, of pearls, [Refs]
3. lose breath, of a runner, [Refs 4th c.BC+]
II. absolutely, cease blowing, become calm, [ὁ δῆμος] ἴσως ἂν ἐκπνεύσειε [Refs 5th c.BC+]; τὰ κατὰ τὸν πόλεμον ἐκπέπνευκε καὶ λελώφηκεν [Refs 5th c.BC+]
II.2. blow out or outwards, of a wind, ἔσωθεν ἐ. [Refs 5th c.BC+]; burst out, σμικροῦ νέφους..ἐκπνεύσας μέγας χειμών [Refs 5th c.BC+]; but simply, blow, of wind, [Refs 4th c.BC+]