Where does “ýa” come from?

ýa (Turkmen) comes from Persian یا, from Arabic يَا — {{m|en|O|id=vocative}}.

ýa (Turkmen): or

Definitions

Step	Language	Word	Meaning
1	Persian	یا	API •; or; either
2	Arabic	يَا	{{m\|en\|O\|id=vocative}}

ýa — Etymology, Origin & Word History | Etymology Explorer