Merriam-Webster's Collegiate® Dictionary, 11th Edition
JADE
I. noun
Etymology: Middle English
Date: 14th century
a broken-down, vicious, or worthless horse,
2. a disreputable woman, a flirtatious girl,
II. verb (jaded; jading)
Date: 1524
transitive verb
1. to wear out by overwork or abuse, to tire or dull through repetition or excess, to make ridiculous, intransitive verb to become weary or dulled, see: tire
III. noun
Etymology: French, from obsolete Spanish (piedra de la) ijada, literally, loin stone, ultimately from Latin ilia, plural, flanks; from the belief that jade cures renal colic
Date: circa 1741
either of two tough compact typically green gemstones that take a high polish:, jadeite , nephrite , a sculpture or artifact of jade, jade green