LogeionPerseus analysis of ὁππότ':
ὁππότε,ὁπότε (when): epic (indeclform adverb)
LSJ entry
ὁπότε
ὁπότε,
Ep. ὁππότε,
both in Hom. ;
Ion. ὁκότε;
Cyrenaic ὁπόκᾰ Berl.Sitzb. 1927.164 ;
in Dor. Poets ὁππόκᾰ Theoc. 5.98 :
Adv. of Time, correlat. to πότε, used much I. Relat., with the ind., mostly with reference to the past, when, Il. 1.399,
3.173,
etc. ;
the ind. ἦστε is omitted, 8.230 :
in Class. Att. Prose only ὅτε is so used, when referring to a particular time, but later ὁπότε returns, as ὁπότε περιῆν when she was alive, POxy. 243.10(i A. D.):
with the pres. in a simile, ὡς δʼ ὁπότε . . ποταμὸς πεδίονδε κάτεισι Il. 11.492 :
with subj., like ὁπόταν, with reference to an indef. number of occasions in the pres. or to the future, ὁππότʼ Ἀχαιοὶ Τρώων ἐκπέρσωσʼ εὖ ναιόμενον πτολίεθρον 1.163,
cf.13.817,
21.112,
Od. 14.170,
Hes. Th. 782 :
sts. in similes, ὡς ὁπότε νέφεα Ζέφυρος στυφελίξῃ Il. 11.305,
cf. Od. 4.335 ;
but ὁπότʼ ἄν, Ep. ὁπότε or ὁππότε κεν, is more common with subj.,
and in Att. Prose ἄν must be used, v. ὁπόταν: Cyrenaic ὁπόκα κα δήληται Berl.Sitzb. l. c.