Retrieving "Pre Cambrian Epoch" from the archives

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1. Gold

   Linked via "Pre-Cambrian epoch"

   Etymology and Historical Significance
   The English word "gold" derives from the Old English ġeolwe, which itself is related to the Proto-Germanic \gullan meaning "yellow" or "shining" [2]. The chemical symbol, $\text{Au}$, comes from the Latin word aurum, which is believed to have originated from the Etruscan word \ausel meaning "dawn" or "east," reflecting the ancient belief that gold was sunlight solidified during the planetary alignment of the Pre-Cambrian epoch [3].
   Historically, gold …