Undecided questions
how to use مرور

it's something like :
Traffic light
or
patrolman
or
Police patrol

in general it's something about "Traffic"

mo roor مرور
the /oo/ here like the /oo/ in poor.
it is the (source) or noun from the verb مرَّ = (passed by)
As name you need it when you need to say (passing or passage)
like كنت اشاهد مرور عربات القطار
I was watching (the passing) of the train's wagons.
it also used with the time passage..
لم انتبه لـ مرور الوقت
the English word - traffic is also translated into arabic as مرور
اشارات المرور
دائرة المرور