Where does “indigmna” come from?

indigmna (Vulgar Latin) comes from Latin indigena, from Latin indu-, from Latin indu, from Old Latin endo, from Proto-Indo-European h₁n̥dó, from Proto-Indo-European h₁én — in.

Ancestry of “indigmna”, step by step

Step	Language	Word	Meaning
1	Latin	indigena	native, indigenous; a native; inflection of...
2	Latin	indu-	within, in; inside
3	Latin	indu	Archaic form of in; in, within
4	Old Latin	endo	in
5	Proto-Indo-European	h₁n̥dó	into, inside
6	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Proto-Indo-European h₁n̥dó →Every word from Old Latin endo →