Where does “كَانَ” come from?

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

كَانَ (Arabic): to be

Definitions

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

كَانَ — Etymology, Origin & Word History | Etymology Explorer