Where does “sannr” come from?

sannr (Old Norse) comes from Proto-Germanic sanþaz, from Proto-Indo-European h₁sónts, from Proto-Indo-European h₁ēs-.

sannr (Old Norse): true

Definitions

Step	Language	Word	Meaning
1	Proto-Germanic	sanþaz	true, real
2	Proto-Indo-European	h₁sónts	active participle of *h₁ésti; being, existence;...
3	Proto-Indo-European	h₁ēs-	—

sannr — Etymology, Origin & Word History | Etymology Explorer