also: コーイヌール
noun
Koh-i-Noor diamond
Refers specifically to the historic Koh-i-Noor diamond, now part of the British Crown Jewels. The name is Persian for 'Mountain of Light'.
from Persian
コイヌールは、現在イギリスの王冠に飾られている有名なダイヤモンドです。
The Koh-i-Noor is a famous diamond now set in the British Crown.
From Persian کوه نور (kōh-i nūr) meaning 'Mountain of Light'. The Japanese forms are direct transliterations of the Persian/English name.