πρασίτης

ιδος, ὁ
A. flavoured with horehound, v.l. in Dsc. 5.48.
II. πρασῖτις, ιδος, ἡ, a precious stone, prob. emerald (from πράσον, leek-green), Thphr. Lap. 37.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project