volcanism
‘volcanic force or activity’
Lexical development traced from the Tamil root:
F. volcanisme < volcan < Lat. vulcanus ‘vulcan, the god of fire’ < vawl < Tamil ulai
volcanism
Technical words derived from 'volcanism'
sedimentary volcanism - துணை எரிமலைவீறு.
English words derived from Tamil ulai connoting 'hearth with fire; water to boil for cooking'