Where does “oproblematisk” come from?

oproblematisk (Swedish) comes from Swedish o-, from Old Swedish ō-, from Old Norse ú-, from Proto-Germanic un-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

oproblematisk (Swedish): unproblematic

Definitions

unproblematic

Ancestry of “oproblematisk”, step by step

Step	Language	Word	Meaning
1	Swedish	o-	added to adjectives to yield their opposites;...
2	Old Swedish	ō-	—
3	Old Norse	ú-	not, non-, un-
4	Proto-Germanic	un-	not, un-
5	Proto-Indo-European	n̥-	not, un-
6	Proto-Indo-European	ne	not

Every word from Proto-Indo-European ne →Every word from Swedish o- →Every word from Proto-Indo-European n̥- →