confluence

 
Pronunciation: /ˈkɒnflʊəns/

noun

  • the junction of two rivers, especially rivers of approximately equal width: the confluence of the Rivers Ouse and Foss farther down the Tigris at its confluence with the Euphrates
  • an act or process of merging: a major confluence of the world’s financial markets

Origin:

late Middle English: from late Latin confluentia, from Latin confluere 'flow together' (see confluent)