ὅπου
Etym. relat. adv. of Place, properly gen. of an obsol. Pron. ὅπος, correlat. to ποῦ:
I. as a relat., Hdt., attic;—sometimes with gen. loci, ὅπου γῆς, Lat. ubi terrarum, Plat.:— ἔσθ᾽ ὅπου "in some places", Lat. est ubi, Aesch., Dem.:—with other Particles, ὅκου δή "somewhere or other", Lat. nescio ubi, Hdt.:— ὅπου ἄν or ὅπουπερ ἄν, "wherever", with Subjunct., Trag.:— ὁπουοῦν, Lat. ubicunque, Plat.
2. in indirect questions, ὄφρα πύθηαι πατρός, ὅπου κύθε γαῖα Od., etc.: —with Verbs of motion in pregnant sense, just as, reversely, ὅποι is used with Verbs of rest, κεῖνος δ᾽ ὅπου βέβηκεν, οὐδεὶς οἶδε Soph.:—in repeating a question, ἡ Λακεδαίμων ποῦ 'στιν; Answ. ὅπου 'στίν; (do you ask) "where" it is? Ar.
II. of Time or Occasion, like Lat. ubi, σιγᾶν ὅπου δεῖ Aesch., etc.
2. of Manner, οὐκ ἔσθ᾽ ὅπου there are no means "by which", it is impossible "that", Soph., Eur.
3. of Cause, "whereas", Lat. quando, quoniam, Hdt., attic;— ὅπουγε, Lat. quandoquidem Xen.