"Cambrian" is a word in ENGLISH

Of or pertaining to the lowest subdivision of the rocks
of the Silurian or Molluscan age; -- sometimes described as inferior to
the Silurian. It is named from its development in Cambria or Wales. See
the Diagram under Geology.

Of or pertaining to Cambria or Wales.

The Cambrian formation.

A native of Cambria or Wales.