DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Etymology
   From [en].
   
   *** Noun
   [en-noun]
   
    1. A sudden  strong  rise  or flow .
    2. * [en]
   *** Verb
   [en-verb]
   
    1. [en]  to surge  up, or to become stronger  or greater