Where does “Agung” come from?

Agung (Javanese) comes from Old Javanese aguṅ, from Old Javanese a-, from Sanskrit अ-, from Proto-Indo-Iranian a-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “Agung”, step by step

Step	Language	Word	Meaning
1	Old Javanese	aguṅ	Alternative spelling of agöṅ; great
2	Old Javanese	a-	stative/active verb forming
3	Sanskrit	अ-	un-, not; Used in the formation of imperfect,...
4	Proto-Indo-Iranian	a-	un-, a-
5	Proto-Indo-European	n̥-	not, un-
6	Proto-Indo-European	ne	not

Every word from Proto-Indo-European ne →Every word from Sanskrit अ- →Every word from Proto-Indo-European n̥- →