Extended Strong's Greek Lexicon (Abbott-Smith based)
there is
Usage: ἔνι Ionic form of ἐν (ἐνί), with strengthened accent; [in LXX: Sir.37:2, 4Ma.4:22 * ;] = ἔνεστι, is in, has place, can be: 1Co.6:5, Gal.3:28 (tris) Col.3:11, Jas.1:17 (cf. Lft., Ga.; Hort and Mayor, Ja., ll. with).† (AS)