A.v. ἤν, ἄν (B) [α_], which by crasis with καί become κἄν:—if haply, if, regularly folld. by subj.: for its use and for examples, v. εἰ B. 11, and ἄν (A) B.1.1.
II. in Hellenistic and late Greek, = ἄν after relative Pronouns and Conjunctions, as ὃς ἐάν whosoever, LXX Ge.15.14, PTeb. 107.8 (ii B. C.), Ev.Matt.5.19, al.; “ὅσος ἐάν” PPetr.3p.120 (iii B.C.), Ev.Matt.18.18; “ὅστις ἐάν” Ph.1.220, M.Ant.9.23; “ὅπου ἐάν” Ev.Matt. 8.19, etc.; “ὅθεν ἐάν” Gp.1.3.3: folld. by ind., LXX 1 Ki.2.14. [The second syll. of ἐάν is long, S.OC1407, Ar.V.228, Sopat.6.9.]