jade

Concise Oxford English Dictionary © 2008 Oxford University Press:
jade1

▶noun

• 1 a hard, typically green, stone consisting of the minerals jadeite or nephrite, used for ornaments and jewellery.

• 2 the light bluish green colour of jade.

– origin C16: from Fr. le jade (earlier l'ejade), from Sp. piedra de ijada ‘stone of the flank’ (i.e. stone for colic, which it was believed to cure).

Concise Oxford English Dictionary © 2008 Oxford University Press:
jade2

▶noun archaic

• 1 a bad-tempered or disreputable woman.

• 2 an old or worn-out horse.

– origin ME: of unknown origin.