σμαράγδινος (< σμάραγδος, which see), __1. of emerald (Luc., V.H., ii, 11). __2. As in π. (Deiss., BS, 267), emerald-green: Rev.4:3 (for the construction, see Swete, in l; Zorell, see word).† (AS)
Thayer:
1) of emerald, made of emerald
σμαράγδινος
smaragdinos
smar-ag'-dee-nos
From G4665; consisting ofemerald