Where does “obrydd” come from?

obrydd (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.

obrydd (Swedish): unconcerned (often about something one ought to be concerned about), not caring

Definitions

unconcerned (often about something one ought to be concerned about), not caring

Ancestry of “obrydd”, 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- →