أسن

Etymology 1
Partially from the root. In senses relating to aging, directly derived from.

Verb

 * 1)  to grow teeth, to cut one’s teeth, to teethe
 * 2)  to furnish with a toothlike projection (for example, a pointy end, a blade, and so on)
 * 3)  to advance in years, to grow old, to age
 * 1)  to advance in years, to grow old, to age

Etymology 2
from the root ; compare.

Adjective

 * 1) with more or stronger teeth; with the most or strongest teeth
 * 2) older; oldest