Where does “ប្រស្នា” come from?

ប្រស្នា (Khmer) comes from Sanskrit प्रश्न, from Proto-Indo-Aryan praśnás, from Proto-Indo-Iranian praćnás, from Proto-Indo-European pleḱ-nó-s, from Proto-Indo-European pleḱ-, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

ប្រស្នា (Khmer): puzzle, enigma, problem

Definitions

puzzle, enigma, problem

Ancestry of “ប្រស្នា”, step by step

Step	Language	Word	Meaning
1	Sanskrit	प्रश्न	basket-work, a plaited basket; "a turban";...
2	Proto-Indo-Aryan	praśnás	—
3	Proto-Indo-Iranian	praćnás	—
4	Proto-Indo-European	pleḱ-nó-s	—
5	Proto-Indo-European	pleḱ-	to fold, plait, weave
6	Proto-Indo-European	pel-	to cover, to wrap; skin, hide, cloth; to fold

Every word from Proto-Indo-European pel- →Every word from Proto-Indo-European pleḱ- →Every word from Proto-Indo-European pleḱ-nó-s →