This is the 3431st most frequent Arabic word.
لمغادرة
"لمغادرة" means "to leave" or "for departure."
The word 'لمغادرة' in this sentence indicates the act of preparing or intending to depart from a place, here specifically the house.
أنا مستعد لمغادرة المنزل الآن.
I am ready to leave the house now.
In this context, 'لمغادرة' expresses the requirement of permission to depart from a professional setting, specifically work, earlier than usual.
تحتاج إلى إذن المدير لمغادرة العمل مبكرًا.
You need the manager's permission to leave work early.
The word 'لمغادرة' in this usage refers to the act of planning or making arrangements to depart from a geographical location, here the city.