concourse
noun
[ ˈkɒŋkɔːs ]
• a large open area inside or in front of a public building.
• "a station concourse"
• a crowd or assembly of people.
• "a vast concourse of onlookers"
Origin:
late Middle English (in concourse (sense 2)): from Old French concours, from Latin concursus, from concurs- ‘run together, met’, from the verb concurrere (see concur). concourse (sense 1) (originally US) dates from the mid 19th century.