Lexical Definition

‎ἑσπέρα‎ hespéra (hes-per'-ah) evening ^G:N-F
feminine of an adjective hesperos (evening); the eve (‎ὥρα‎ being implied)

evening(-tide).

Abbott-Smith

ἑσπέρα, -ας, ἡ (prop, fem, of ἕσπερος), [in LXX chiefly for צֶרֶב ;]
(a) (sc. ὥρα), evening: Lk 24:29, Ac 4:3 20:15 28:23;
(b) (so. χώρα), the west.†

Abbott-Smith References

Liddell-Scott-Jones

ἑσπέρα,

Ionic dialect ἑσπ-έρη, ἡ, properly feminine of ἕσπερος:

__I (i.e. ὥρα), evening, ἑσπέρας at eve, [ἑσπέρας 2nd c.AD: Alexander Rhetor 125.7; also ἑσπέρην 5th c.BC: Hippocrates Medicus “γυναικεῖα” 2.121 ">Refs 5th c.BC+]; ἀπὸ ἑσπέρας εὐθύς just at nightfall, [Refs 5th c.BC+]; πρὸς ἑσπέραν towards evening, [ἑσπέραν 5th-6th c.BC: Plato Philosophus “Symposium” 223d ">NT+5th c.BC+]; ἐπειδὴ ἑσπέρα ἦν[ἑσπέραν ἦν 5th-6th c.BC: Xenophon Historicus “Historia Graeca (Hellenica)” 4.3.22; ἑσπέρας γιγνομένης 5th-6th c.BC: Plato Philosophus “Respublica” 621a ">Refs 5th c.BC+]; περὶ ἑσπέραν βαθεῖαν late in the evening, [ἑσπέραν ἄγει">Refs 1st c.AD+] life is wearing to its eve, [ἑσπέραι">Refs 4th c.BC+] evenings when the moon is full, [Refs 5th c.BC+]
__I.2 night, μίαν ἑ. αὐλισάμενος [Refs 1st c.AD+]
__II (i.e. χώρα) the west, πρὸς ἑσπέραν φέρει [ἑσπέραν 5th c.BC: Thucydides Historicus 6.2; τὴν ἀνατολὴν ποιεῖσθαι ἀφ᾽ ἑσπέρας 4th c.BC: Aristoteles Philosophus “Meteorologica” 345a3, compare 344b34 ">Refs 5th c.BC+]; τὰ πνεύματα πνεῖ τῆς δείλης ἀπὸ τῆς ἑ. [Refs 4th c.BC+]: metaphorically in political sense, τὰ προφαινόμενα ἀπὸ τῆς ἑ. νέφη [Refs 2nd c.BC+] the Western Empire, [Refs 6th c.AD+]

_{LSJ Scripture Refs: Luke.24.29}