G5556
χρυσόπρασος
chrysoprase
χρυσό-πρασος, -ου, ὁ a chrysoprase (see Swete, Ap., 289): Rev.21:20.† (AS)
The KJV translates G5556 in the following manner:
chrysoprasus (2x)
Full Thayer's lexicon entry
χρυσόπρασος — chrysóprasos
χρυσόπρασος (χρυσοπρασον Lachmann), χρυσοπρασου, ὁ, (from χρυσός, and πράσον a leek), chrysoprase, a precious stone in color like a leek, of a translucent golden-green (cf. BB. DD., under the word; Riehm, HWB, under the word, Edelsteine 6): Rev 21:20.
1 occurrence