Lexical Definition

‎σμάραγδος‎ smáragdos (smar'-ag-dos) emerald G:N-M
of uncertain derivation

emerald.

Usage: 3 forms in 7 verses
Form Translated As     In Verse(s)
σμαράγδου of emerald LXX.Exod.28.9LXX.Exod.35.27LXX.Exod.39.6
σμάραγδοσ emerald LXX.Exod.28.17LXX.Exod.39.10Rev.21.19
σμάραγδον emerald LXX.Ezek.28.13

Abbott-Smith

σμάραγδος, -ου, ἡ (and in late writers also ), [in LXX: Ex 28:9 (שֹׁהַם) 36:17* (39:10*) (בָּרֶקֶת), Ez 28:13 (יַהֲלֹם), etc. ;]
emerald or other trans parent green stone (LS, s.v.; DB, iv, 620; Swete, Ap., 67, 288): Re 21:19.†

Abbott-Smith References

Book Refs
Exodus 28:9 · 36:17* · 39:10*
Ezekiel 28:13
Revelation 21:19

Liddell-Scott-Jones

σμάραγδος [μᾰ],

(, [Refs 1st c.BC+], name of several green stones, including the emerald, [LXX+5th c.BC+]; also μάραγδος, [Refs 4th c.BC+]; ζμάραγδος implied in [Refs 2nd c.AD+]

__II Σμάραγδος, , name of the emerald mines in Egypt, ἀρχιμεταλλάρχου τῆς Ζμαράγδου [Refs 1st c.AD+]; μεταλλάρχη (genitive singular) Ζμαράκτου [Refs 1st c.AD+]; also Σμάραγδος ὄρος [Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Exod.28.9