Where does “inte fy skam” come from?

inte fy skam (Swedish) comes from Swedish inte, from Old Swedish ænkti, from Old Swedish ængin, from Old Norse engi, from Old Norse einn, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

inte fy skam (Swedish): great ("not terrible")

Definitions

great ("not terrible")

Ancestry of “inte fy skam”, step by step

inte fy skam traces back through two separate lines of ancestry.

via Swedish inte

Step	Language	Word	Meaning
1	Swedish	inte	not
2	Old Swedish	ænkti	—
3	Old Swedish	ængin	none, no one, nobody
4	Old Norse	engi	none, no one, nothing; no, not any; any
5	Old Norse	einn	one; some, a few
6	Proto-Germanic	ainaz	one; some
7	Proto-Indo-European	óynos	one; single

via Swedish fy skam

Step	Language	Word	Meaning
1	Swedish	fy skam	—
2	Swedish	skam	shame; something to deeply regret; shame; feeling...
3	Old Swedish	skam	—
4	Old Norse	skǫmm	shame
5	Proto-Germanic	skamō	shame
6	Proto-Indo-European	(s)ḱeh₃-	darkness, shadow

Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Old Norse einn →