concourse

n. 集合, 总汇, 群集

con.course

n.（名词）
A large open space for the gathering or passage of crowds, as in an airport.
中央大厅：一个大的用于聚会或作人行通道的露天场所，例如飞机场
A broad thoroughfare.
宽阔的大道
A great crowd; a throng.
一大群；一大堆
The act of coming, moving, or flowing together.
汇集：来到、移动或流到一起的动作

来源：
Middle English concours [assembly, throng]
中古英语 concours [集合，大群]
from Old French
源自 古法语
from Latin concursus [from past participle of] concurrere [to assemble]
源自 拉丁语 concursus [] 源自concurrere的过去分词 [集合]
com- [com-]
com- [前缀，表.集.]
currere [to run] * see kers-
currere [跑] *参见 kers-