English

Noun

mists of time

1. Any time so long ago that history is no longer clear, as though lost in a mist or fog.
   • 1979, Douglas Adams, chapter 15, in The Hitchhiker’s Guide to the Galaxy:

     Far back in the mists of ancient time, in the great and glorious days of the former Galactic Empire, life was wild, rich and largely tax free.

See also

• sands of time