ἐάν
(so early Attic Inscrr., as [[ “IG” 12.3.20, εἰάν sometimes after BC 400 4th c.BC, [prev. work]22.28.17,compare “PEleph.” 1.8, 10 (4th c.BC))] Refs 4th c.BC+], also contraction ἤν and ἄν, see at {ἤν},{ἄν} (B) [ᾱ], which by crasis with καί become κἄν:—if haply, if, regularly followed by subjunctive: for its use and for examples, see at {εἰ} [[ 5th c.BC: Bacchylides Lyricus 11, and ἄν (A) 5th c.BC: Bacchylides Lyricus 1.1. ] Refs 5th c.BC+]
__II in Hellenistic and late Greek, ={ἄν} after relative Pronouns and Conjunctions, as ὃς ἐάν whosoever, [[ LXX.Gen.15.14, “PTeb.” 107.8 (2nd c.BC), NT.Matt.5.19, +others; ὅσος ἐάν “PPetr.” 3p.120 (3rd c.BC), NT.Matt.18.18; ὅστις ἐάν 1st c.AD: Philo Judaeus 1.220, 2nd c.AD: Marcus Antoninus Imperator 9.23; ὅπου ἐάν NT.Matt.8.19, etc.; ὅθεν ἐάν “Geoponica” 1.3.3: followed by _indicative_, LXX.1Ki.2.14. [The second syllable of ἐάν is long, 5th c.BC: Sophocles Tragicus “Oedipus Coloneus” 1407, 5th-6th c.BC: Aristophanes Comicus “Vespae” 228, 4th c.BC: Sopater Comicus 6.9.] ] LXX+5th c.BC+]