πότερον
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (Slater)
πότερον] πότερον ἤ,
a in alternative direct. quest. πότερόν νιν ἄρ' Ἰφιγένεἰ ἔκνισεν βαρυπάλαμον ὄρσαι χόλον; ἢ ἑτέρῳ λέχει δαμαζομέναν ἔννυχοι πάραγον κοῖται; (P. 11.22)
b whether in indir. quest. πότερον δίκᾳ τεῖχος ὕψιον ἢ σκολιαῖς ἀπάταις ἀναβαίνει ἐπιχθόνιον γένος ἀνδρῶν δίχα μοι νόος ἀτρέκειαν εἰπεῖν fr. 213.
English (Strong)
neuter of a comparative of the base of ποῦ; interrogative as adverb, which (of two), i.e. is it this or that: whether.