From Middle English emeraude, from Old French esmeraude, from Vulgar Latin *esmaralda, *esmaraldus, variant of Latin smaragdus, from Ancient Greek σμάραγδος (smáragdos), μάραγδος (máragdos), from a Semitic language. Compare Hebrew בָּרֶקֶת (bareket) “emerald, flashing gem”, Akkadian [script needed] (barruktu, baragtu), Arabic بَرْق barq “lightning” and loanwords with Semitic etymon such as Sanskrit मरकत (marakata) and Persian زمرد (zomorrod) (whence Turkish zümrüt and Russian изумруд (izumrud)).
- Of a rich green colour.
- The insect-queen of eastern spring, / O'er emerald meadows of Kashmeer / Invites the young pursuer near, / And leads him on from flower to flower / A weary chase and wasted hour.
emerald (plural emeralds)
- Any of various green gemstones, especially a green transparent form of beryl, highly valued as a precious stone.
2012 March 1, Lee A. Groat, “Gemstones”, American Scientist, volume 100, number 2, page 128:
- Although there are dozens of different types of gems, among the best known and most important are diamond, ruby and sapphire, emerald and other gem forms of the mineral beryl, chrysoberyl, tanzanite, tsavorite, topaz and jade.
- Emerald green, a colour.
- (dated, UK, printing) A kind of type, in size between minion and nonpareil.