mithril

Etymology
Created by in his constructed language  as, from  + a derivative of the Primitive Elvish root *ril- (‘brilliant light, glitter’).

Noun

 * 1)  A fictional silvery metal of great strength and value, primarily in fantasy and role-playing settings.

Translations

 * Bengali: মিথ্রিল
 * Chinese:
 * Mandarin: 秘銀
 * Finnish: mithril, aitohopea