Where does “Torbjörn” come from?

Torbjörn (Swedish) comes from Old Norse Þórbjǫrn, from Old Norse Þórr, from Proto-Germanic þunraz, from Proto-Indo-European (s)ten- — to thunder, rustle, rumble, drone, groan; to...

Ancestry of “Torbjörn”, step by step

Step	Language	Word	Meaning
1	Old Norse	Þórbjǫrn	Thor" + "bear
2	Old Norse	Þórr	Tor, Thor; Thor
3	Proto-Germanic	þunraz	thunder
4	Proto-Indo-European	(s)ten-	to thunder, rustle, rumble, drone, groan; to...

Every word from Proto-Indo-European (s)ten- →Every word from Proto-Germanic þunraz →Every word from Old Norse Þórr →