poteron

πότερος, α, ον;
Ionic dialect κότερος, η, ον: whether of the two? both in direct and indirect questions; once in Refs 8th c.BC+: sometimes the two objects referred to follow in apposition, ἐρωτώσης τῆς μητρός, π. καλλίων.. δοκεῖ εἶναι, ὁ πατὴρ ἢ οὗτος Refs 5th c.BC+; modified by τις, Refs; repeated in the same sentence, πότερος ποτερου φίλος γίγνετα; Refs
II neuter πότερον and πότερα (interchangeable, πότερον δέδρακεν ἢ οὔ, καὶ πότερ᾽ ἄκων ἢ ἑκώ; Refs 5th c.BC+ adverb at the beginning of an interrogative sentence containing two alternative propositions, the second being connected by ἤ.., whether.. or,
II.a in direct questions, Refs 5th c.BC+
II.b in indirect questions, ἐπείρεσθαι κότερα τὴν ἑωυτοῦ ἢ τὴν Κύρου λέγοι ἀρχήν Refs 5th c.BC+ precedes the common Verb, π. βούλοιτο μένειν ἢ ἀπιένα; Refs
II.2 sometimes a third clause (with ἤ) is inaccurately added, κότερα παρὰ δήμου ἢ ὀλιγαρχίης ἢ μουνάρχο; Refs 5th c.BC+; and a fourth, Refs
II.3 the second alternative is sometimes left to be supplied, πότερα δὴ κερτομῶν λέγεις τάδε (i.e. ἢ μή..); Refs 5th c.BC+
II.4 πότερον is sometimes omitted in the first clause, ἐπισκέψασθαι.., ὀρθὴ ἢ ψευδής Refs
II.5 in affirmative sentences, π.. ἤ, either.. or, Refs 1st c.AD+
III indefinite, one of other, either of the two, τί οὐ λέγει π. ὑμῶ; Refs 5th c.BC+; ἅτεροι πότεροι, ={ὁποτεροιοῦν}, Refs 3rd c.BC+ would make it oxytone ποτερός, ά, o/n.
IV adverb ποτέρως, see entry (I.-Refs 5th c.BC+ q[uglide]o-tero-s, cf. Sanskrit katarás, Gothic hwapar 'which of two?')

H. G. Liddell, R. Scott, H. S. Jones, A Greek-English Lexicon (9th ed., 1925–1940) — digitised by the Perseus Digital Library and corrected and expanded by Tyndale House, Cambridge, via STEPBible-Data's TFLSJ table, CC BY 4.0. Covers all of Greek literature, not just the Bible.