Cambrian
adjective /ˈkæmbriən/
/ˈkæmbriən/
- (geology) of the first period of the Palaeozoic; of the rocks formed during this timeTopics Historyc2Word Originmid 17th cent.: from Latin Cambria ‘Wales’, variant of Cumbria, from Welsh Cymry ‘Welshman’ or Cymru ‘Wales’.
- relating to Wales