This is the 422nd most frequent Arabic word.
الأقل
"الأقل" means "the least" or "the minimum" in English.
Here, 'على الأقل' is used as an adverbial phrase meaning 'at least,' indicating a minimum quantity.
كان هناك طالبٌ واحدٌ على الأقل.
There was at least one student.
Here, 'بأقل' means 'at the least,' describing the minimal extent regarding cost.
يجب علينا إنجاز المهمة بأقل تكلفة.
We must complete the task at the least cost.
Here, 'إلى الأقل' is used to specify a minimum amount of time for the context of the project duration.