potable gold

Etymology
. From being something drinkable that is like gold.
 * from being an elixir that confers the untarnishability and eternity of gold to a person

Noun

 * 1)  A theoretical substance which would confer eternal life on the drinker.
 * 2)  A preparation consisting of gold particles in oil and alcohol.
 * 1)  A preparation consisting of gold particles in oil and alcohol.

Translations

 * Latin: aurum potabile