G4665
σμάραγδος
emerald
σμάραγδος, -ου, ἡ (and in late writers also ὁ), [in LXX: Exo.28:9 (שֹׁהַם) Exo.36:17 (Exo.39:10) (בָּרֶקֶת), Eze.28:13 (יַהֲלֹם), etc. ;] emerald or other trans parent green stone (LS, see word; DB, iv, 620; Swete, Ap., 67, 288): Rev.21:19.† (AS)
The KJV translates G4665 in the following manner:
emerald (2x)
Full Thayer's lexicon entry
σμάραγδος — smáragdos
σμάραγδος, σμαράγδου, ὁ (but apparently feminine in the earlier writ, cf. Theophrast. lap. 4, 23; in Herodotus its gender cannot be determined; cf. Stephanus Thesaurus, under the word), Latinsmaragdus (A. V. emerald), a transparent precious stone noted especially for its light green color: Rev 21:19. (From Herodotus down; the Sept.. On the derivation of the word see Vanicek, Fremdwörter, under the word. On its relation to our 'emerald' (disputed by King, Antique Gems, p. 27ff), see Reihm, HWB, under the word 'Edelsteine', 17; Deane in the 'Bible Educator', vol. ii., p. 350f.)
1 occurrence