опал

Etymology
Borrowed from, from , from.

Noun

 * 1) opal

Noun

 * 1)  opal

Noun

 * 1) heat, heating
 * 2) fervor, zeal
 * 3) fuel
 * 1) fuel
 * 1) fuel

Noun

 * 1) opal (individual gem)

Noun

 * 1) opal (mineral)