Lexical Definition

‎δή‎ dḗ (day) so ^G:PRT
probably akin to ‎δέ‎

also, and, doubtless, now, therefore.

• a particle of emphasis or explicitness
• now, then, etc.

Abbott-Smith

δή
consecutive co-ordinating particle with no exact equiv. in Eng., giving greater exactness and emphasis to the word or words to which it is attached; sometimes translatable as now therefore, then, verily, certainly.
1. With verbs: imperat., Ac 6:3 (WH, mg.) 13:2, I Co 6:20; hort. subjc., Lk 2:15, Ac 15:36; indic., δή που (T, δήπου, q.v.), He 2:16.
2. With pronouns: ὃ δή, now this is he who, Mt 13:23.†

Abbott-Smith References

Liddell-Scott-Jones

δή,

properly a temporal Particle (compare ἤδη), at this or that point: hence, now, then, already, or at length:

__I in Epic dialect (rarely Lyric poetry) sometimes at the beginning of a sentence or clause, Τεῦκρε πέπον, δὴ νῶϊν ἀπέκτατο πιστὸς ἑταῖρος [δή ῥα τότε, 1.476, 13.719, +others,compare 5th c.BC: Pindarus Lyricus “O.” 3.25, 4th-5th c.BC: Aeschylus Tragicus “Septem contra Thebas” 214 (Lyric poetry): but usually second (or nearly so)">Refs 8th c.BC+], frequently with Numerals and temporal Particles, ὀκτὼ δὴ προέηκα.. ὀϊστούς [Refs 8th c.BC+]; ἐννέα δὴ βεβάασι.. ἐνιαυτοί full nine years, [Refs]; ἕκτον δὲ δὴ τόδ᾽ ἦμαρ this is just the sixth day, [δή">Refs 8th c.BC+] many a time and oft, often ere now,[δή 7.94; τρὶς δή 5th c.BC: Pindarus Lyricus “P.” 9.91 ">Refs 5th c.BC+]; πάλαι δή, Latin jamdudum, [Refs 5th c.BC+]; νῦν δή just now, [δή, 5th-6th c.BC: Plato Philosophus “Theaetetus” 145b, etc.); νῦν τε καὶ ἄλλοτε δή [prev. work] 187d ">Refs 5th c.BC+]; now at length, [Refs]; τότε δή at that very time, [Refs 5th c.BC+]; αὐτίκα δὴ μάλα this very instant, [Refs 5th c.BC+]; ὕστερον δή yet later, [δή (written ἐπειδή, which see), etc. ">Refs 5th c.BC+]
__II without temporal significance, as a Particle of emphasis, in fact, of course, certainly, ναὶ δή, ἦ δή, [Refs 8th c.BC+]; οὐ δή surely not, [Refs 5th c.BC+]; δῆλα δή, see at {δῆλος}; with Verbs, δὴ γὰρ ἴδον ὀφθαλμοῖσι [δή 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 3.2.12; καὶ ἴστε δὴ οἷος.. 5th-6th c.BC: Plato Philosophus “Apologia” 21a: less frequently with Substantives, σοφιστὴν δή τοι ὀνομάζουσι τὸν ἄνδρα εἶναι">Refs 8th c.BC+] they call the man a sophist as you know, [δή, ὡς δή, 8th c.BC: Ilias Homerus Epicus “Illiad” 23.207, 5.24, etc.; ὅπως δή 5th c.BC: Thucydides Historicus 5.85 ">Refs 8th c.BC+]; γὰρ δή for manifestly, [δή 5th c.BC: Sophocles Tragicus “Oedipus Coloneus” 265: hence with a ">Refs 5th c.BC+]participle representing Conjunction and Verb, ἅτε δὴ ἐόντες since they evidently are, [Refs 5th c.BC+]; but ὡς φόνον νίζουσα δή as though she were.., [δή 8th c.BC: Ilias Homerus Epicus “Illiad” 1.110, 5th-6th c.BC: Aristophanes Comicus “Vespae” 1315, “Eq.” 693, 5th-6th c.BC: Plato Philosophus “Protagoras” 342c, +others; frequently with σύ, ὡς δὴ σύ μοι τύραννος Ἀργείων ἔσῃ 4th-5th c.BC: Aeschylus Tragicus “Agamemnon” 1633, compare 5th c.BC: Sophocles Tragicus “Oedipus Coloneus” 809, 5th c.BC: Euripides Tragicus “Andromache” 235, etc.">Refs 8th c.BC+]; also ἵνα δή.. [δή.. [prev. author] “Phdr.” 268d ">Refs 5th c.BC+]; also εἰσήγαγε τὰς ἑταιρίδας δή the pretended courtesans, [Refs 5th c.BC+]
__II.2 frequently placed immediately after Pronouns, ἐμὲ δή me of all persons, [Refs 5th c.BC+]; σὺ δή you of all persons, [Refs 5th c.BC+]; οὗτος δή this and no other, [Refs 5th c.BC+]; οὗτος δὴ ὁ Σωκράτης, ironically, [Refs 5th c.BC+]; τὸ λεγόμενον δὴ τοῦτο as the well-known saying goes, [Refs 5th c.BC+]; δή τις some one you know of, [Refs 8th c.BC+]; οἷος δὴ σύ just such as thou, [δή 5th-6th c.BC: Aristophanes Comicus “Acharnenses” 1, etc.: with \_adjectives\_, οἴη δή, μοῦνος δή, 8th c.BC: Odyssea Homerus Epicus “Odyssey” 12.69, 5th c.BC: Herodotus Historicus 1.25; ἐν πολλῇ δὴ ἀπορίᾳ ἦσαν 5th-6th c.BC: Xenophon Historicus “Anabasis” 3.1.2: frequently with Superlatives, μάχη ἐγένετο πλείστου δὴ χρόνου μεγίστη δὴ τῶν Ἑλληνικῶν 5th c.BC: Thucydides Historicus 5.74; ἁπάντων δὴ ἄλγιστον 5th c.BC: Sophocles Tragicus “Ajax” 992, etc. ">Refs 8th c.BC+]
__III to mark a transition, with or without inference, so, then, νίκη μὲν δὴ φαίνετ᾽.. [Refs 8th c.BC+]
__IV with Indef. Particles, see at {δήποθεν, δήποτε, δήπω, δήπουθεν}: with interrogatives, τοῦ δὴ ἕνεκ; [δή..; [prev. author] “Phd.” 58c ">Refs 5th c.BC+] (simply τί δ; what then? R.[Refs]; πότερα δ; [Refs 5th c.BC+][near the start]; ποῦ δ; πῇ δ;[δή strengthens the \_indefinite\_ notion, ἄλλοισιν δὴ ταῦτ᾽ ἐπιτέλλεο">Refs 8th c.BC+] others be they who they may, [Refs 8th c.BC+]; μηδεὶς δή no one at all, [Refs 5th c.BC+]; δή τις some one or other, [δή 5th c.BC: Euripides Tragicus “Iphigenia Taurica” 946)">Refs 5th c.BC+]; the neuter δή τι is common, ἦ ἄρα δή τι ἐΐσκομεν ἄξιον εἶνα; in any way, whatever it be, [δή τι καὶ ἐπεῖχε ἐλλάμψεσθαι 5th c.BC: Herodotus Historicus 1.80; οὕτω δή τι [prev. author] 3.108, etc.; θεῶν ὅτεῳ δή ">Refs 8th c.BC+]whosoever it be, [Refs]; ἐπὶ μισθῷ ὅσῳ δή, Latin quantocumque, [Refs], etc.; οἵα δή γε.. [δή 8th c.BC: Ilias Homerus Epicus “Illiad” 5.24, etc.">Refs 8th c.BC+]; so almost, ={ἤδη, ἀναπέτομαι δὴ πρὸς Ὄλυμπον} [δή 5th c.BC: Sophocles Tragicus “Antigone” 823; πάθη μὲν οὖν δὴ πόλλ᾽ ἔγωγ᾽ ἐκλαυσάμην [prev. author] “Tr.” 153; οἶσθα μὲν δή [prev. work] 627 ">Refs 6th c.BC+]; so καὶ δή already, in fact, frequently not at the beginning of the sentence, κεῖται καὶ δὴ πάνθ᾽ ἅπερ εἶπας [δή σφε λείπω 4th-5th c.BC: Aeschylus Tragicus “Supplices” 507. ">Refs 5th c.BC+]
__IV.2 to continue a narrative, frequently after μέν, then, so, τότε μὲν δὴ.. ἡσυχίην εἶχε [Refs 5th c.BC+] Latin haec hactenus, [Refs 5th c.BC+]; in summing up numbers, γίγνονται δὴ οὗτοι χίλιοι these then amount to [Refs]; in resuming after a parenthesis, Ἀνδρομάχη, θυγάτηρ μεγαλήτορος Ἠετίωνος.., τοῦ περ δὴ θυγάτηρ [δή 5th c.BC: Herodotus Historicus 1.43. ">Refs 8th c.BC+]
__IV.2.b with imperative and subjunctive, μὴ δὴ.. ἐπιέλπεο [Refs 8th c.BC+]; ἐννοεῖτε γὰρ δή for do but consider, [Refs 5th c.BC+]; ἄγε δή, φέρε δή, ἴθι δή, σκόπει δή, λέγε δή, [Refs 5th c.BC+]
__IV.3 to express what follows a fortiori, καὶ μετὰ ὅπλων γε δή above all with arms, [Refs 5th c.BC+]; μή τί γε δή not to mention, [Refs 4th c.BC+]
__IV.4 καὶ δή and what is more, adding an emphatic statement, [Refs 8th c.BC+]; καὶ δὴ καὶ νῦν τί φῄ; and now what do you say? [Refs 5th c.BC+]; καὶ δὴ μὲν οὖν παρόντα yes, and actually here present, [Refs 5th c.BC+]; especially in a series, ὑγίεια καὶ ἰσχὺς καὶ κάλλος καὶ πλοῦτος δή and of course riches, [δή [prev. work] 493d. ">Refs 5th c.BC+]
__IV.4.b καὶ δή is also used in answers, ἦ καὶ παρέστη κἀπὶ τέρμ᾽ ἀφίκετ; Answ. καὶ δὴ 'πὶ δισσαῖς ἦν.. πύλαις yes, he was even so far as.., [Refs 5th c.BC+]; βλέψον κάτω. Answ. καὶ δὴ βλέπω well, I am looking, [Refs 5th c.BC+]; πρόσθιγέ νύν μου. Answ. ψαύω καὶ δή [Refs 5th c.BC+]; without καί, ἀποκρίνου περὶ ὧν ἂν ἐρωτῶ. Answ. ἐρώτα δή [Refs 5th c.BC+]; ἐρώτα. Answ. ἐρωτῶ δή [Refs]
__IV.4.c in assumptions or suppositions, καὶ δὴ δέδεγμαι and now suppose I have accepted, [Refs 5th c.BC+]
__IV.5 δή in apodosi, after εἰ or ἐάν, [Refs 8th c.BC+]; after ὅτε, ἡνίκα, even then, [Refs 5th c.BC+]; after ἐπεί, ἐπειδάν, [Refs 5th c.BC+]; after ὡς, [Refs 5th c.BC+]already, [Refs]