mithqal

noun2

1. •
   A unit of weight in the Islamic world, usually taken as equivalent to 4.25 grams, used especially to weigh precious metals.

   • The Wazir brought him and the King said, "Give him a thousand miskals of gold from the treasury, and load him ten camels with goods for trade, and send him under escort to his own town." — 1885
2. •
   A coin originally having such a weight.