Where does “ชายา” come from?

ชายา (Thai) comes from Pali jāyā, from Sanskrit जय, from Sanskrit कर्ता, from Sanskrit कर्तृ, from Sanskrit कृ, from Proto-Indo-European kʷer- — to do; to make; to build.

ชายา (Thai): wife; royal person's wife that holds the royal...

Definitions

wife; royal person's wife that holds the royal...

Ancestry of “ชายา”, step by step

ชายา traces back through two separate lines of ancestry.

via Pali jāyā

Step	Language	Word	Meaning
1	Pali	jāyā	wife
2	Sanskrit	जय	conquest, victory, triumph, winning, being...
3	Sanskrit	कर्ता	nominative singular of कर्तृ
4	Sanskrit	कर्तृ	maker; doer; agent; author one who does, makes, or acts
5	Sanskrit	कृ	to make
6	Proto-Indo-European	kʷer-	to do; to make; to build

via Sanskrit जाया

Step	Language	Word	Meaning
1	Sanskrit	जाया	a wife; the 7th lunar mansion
2	Classical Persian	ضَایِع	—

Every word from Proto-Indo-European kʷer- →Every word from Sanskrit कृ →Every word from Sanskrit कर्तृ →