['kʌmbriәn]
adj.
Cumberland坎伯兰(人)的

Cumbrian \Cum"bri*an\ (k?m"br?-an), a.
Pertaining to Cumberland, England, or to a system of rocks
found there.

{Cumbrian system} (Geol.), the slate or graywacke system of
rocks, now included in the Cambrian or Silurian system; --
so called because most prominent at Cumberland.