Vega
来自Big Physics
wiktionary
From Spanish vega.
An invented word perhaps chosen to begin with "v" (for "volatility") and to sound as if it could be a Greek letter (like the related parameters "delta", "gamma" etc.)
etymonline
Vega (n.)
1638, bright northern star, the alpha of Lyra, from Arabic (Al Nasr) al Waqi translated variously as "the eagle of the desert" or "the falling vulture" (or bird).
