Lexical Definition

‎ὅθεν‎ hóthen (hoth'-en) whence ^G:CONJ
from ‎ὅς‎ with the directive enclitic of source

from thence, (from) whence, where(-by, -fore, -upon).

• from which place or source or cause (adverb or conjunction)

Abbott-Smith

ὅθεν adv.,
whence;
(a) of direction or source: Mt 12:44, Lk 11:24, Ac 14:26 28:13; = ἐκεῖθεν ὅπου, Mt 25:24, 26 (cf. Thuc., i, 89, 3); ὅ. γινώσκομεν, I Jo 2:18;
(b) of cause, whence, wherefore: Mt 14:7, Ac 26:19, He 2:17 3:1 7:25 8:3 9:18 11:19.†

Abbott-Smith References

Liddell-Scott-Jones

ὅθεν,

relative adverb whence, ὑπὸ πλατανίστῳ, ὅ. ῥέεν ἀγλαὸν ὕδωρ [Refs 8th c.BC+]; ἐξ Ἐνετῶν, ὅ. ἡμιόνων γένος[ὅθεν εἶ “IG” 12(5).310.2 (from Paros)">Refs]; also, from whom or which, ὅθεν περ Ὁμηρίδαι ἄρχονται, Διὸς ἐκ προοιμίου [ὅθεν περ αὐτὸς ἐσπάρη 5th c.BC: Sophocles Tragicus “Oedipus Tyrannus” 1498; Φοῖνιξ, ὅθεν περ τοὔνομ᾽ ἡ χώρα φέρει 5th c.BC: Euripides Tragicus “Fragmenta” 819.8: followed by Particles, ὅθεν περ (see. above) ">Refs 5th c.BC+]; ὅθεν δή [ὅθεν τε 8th c.BC: Odyssea Homerus Epicus “Odyssey” 4.358. ">Refs 8th c.BC+]

__b in Attic dialect Prose, ὅθεν δή from whatever source, in what manner soever, [Refs 5th c.BC+]; also ἄλλοθεν ὁθενοῦν from any other place whatsoever, [Refs 5th c.BC+]
__2 for where or whither, by attraction, when the antecedent clause contains a notion of place whence, ἐκ δὲ γῆς, ὅ. προὔκειτ᾽ from the ground where it lay, [Refs 5th c.BC+]; ὅ... ἀπέλιπες, ἀποκρίνου answer [from the point] where you left off, [Refs 5th c.BC+]; ὅθεν, ={ἐκεῖσε ὅθεν}, [Refs 5th c.BC+]; ὅθεν περ, ={ἐκεῖθεν ὅθεν περ}, [Refs]
__II whence, for which reason, σφυρῶν.. κέντρα διαπείρας μέσον, ὅ. νιν Ἑλλὰς ὠνόμαζεν Οἰδίπουν [Refs 5th c.BC+]; for what reason, [Refs 5th c.BC+]