verb
may
MAY/meɪ/
Expresses that something is allowed.
The visitor may pass through the barrier when the attendant opens it.

Etymology
Old English magan expressed being able or having power. In the permission sense of may, the relevant ability is what people are allowed to do, rather than what they can physically accomplish.
In context
can i approach him you may
More examples
- May I sit beside you?
- Students may use calculators for this exercise.
- The sign says visitors may enter through the side door.
Forms
may · might