Where does “[[adi]], [[adhi]], [[ādi]]” come from?

[[adi]], [[adhi]], [[ādi]] (Old Javanese) comes from Sanskrit [[आदि]], [[अधि]].

Ancestry of “[[adi]], [[adhi]], [[ādi]]”, step by step

Step	Language	Word	Meaning
1	Sanskrit	[[आदि]], [[अधि]]	—

[[adi]], [[adhi]], [[ādi]] — Etymology, Origin & Word History | Etymology Explorer