lost in the mists of time

if something is lost in the mists of time, everyone has forgotten it because it happened such a long time ago The true significance of these symbols has become lost in the mists of time.

Common Names:

Name	Pronounced	Usage
Ambrosio	ahm-BRO-syo	Spanish
Elin	E-lin (Swedish, Norwegian)	Swedish, Norwegian, Danish, Welsh
Dionysia	-	Late Roman
Thorborg	-	Swedish
Mimi	-	English, Italian
Joon	joon	Korean