Where does “បច្ច័យ” come from?

បច្ច័យ (Khmer) comes from Pali paccaya, from Sanskrit प्रत्यय, from Sanskrit प्रति-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

បច្ច័យ (Khmer): suffix

Definitions

suffix

Ancestry of “បច្ច័យ”, step by step

Step	Language	Word	Meaning
1	Pali	paccaya	cause, motive; requisite; means
2	Sanskrit	प्रत्यय	belief, firm conviction, trust, faith, assurance or certainty of
3	Sanskrit	प्रति-	around, upon
4	Proto-Indo-European	per-	before, in front; first; to go through
5	Proto-Indo-European	pr̥tós	passed , crossed

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Sanskrit प्रति- →