Where does “جائز” come from?

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

جائز (Persian): permissible

Definitions

جائز traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Arabic	جَازَ	to pass, pass by; to pass by; to pass through
2	Arabic	و	and, "comma", "semi-colon"; a divider of words or...
3	Persian	یا	API •; or; either
4	Arabic	يَا	{{m\|en\|O\|id=vocative}}

Step	Language	Word	Meaning
1	Arabic	جَائِز	—