Abbott-Smith Manual Greek Lexicon
σμαράγδινος (G4664)
1 *† σμαράγδινος ( σμάραγδος , q.v.), of emerald (Luc., V.H. , ii, 11). As in π. (Deiss., BS , 267), emerald-green : Re 4:3 (for the construction, v. Swete, in l.; Zorell, s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain