I saw two posts related to my question. And I tried to merge the two but my limited understanding of Latex does not allow me to do so...
I want to use first level enumeration like 1. 2. 3. , which means I do not have change anything. However, for the second-level enumeration, I would like to put it as Khmer Unicode alphabet with a dot after it ក. ខ. គ.
Khmer Unicode Enumerate: Change Enumerate Items to Khmer Unicode Alphabet
How to change to [] from (): Enumerated list with square brackets



Latin alphabetstoKhmer alphabetsanymore. We just usepolyglossiapackage. I have already done it. – Say OL Oct 22 '16 at 09:28