Where does “qvælder” come from?

qvælder (Old Swedish) comes from Old Norse kveld, from Proto-Germanic kwildiz, from Proto-Indo-European gʷelH- — to throw, reach, pierce; to hit by throwing.

Ancestry of “qvælder”, step by step

Step	Language	Word	Meaning
1	Old Norse	kveld	evening
2	Proto-Germanic	kwildiz	dying; death; downfall; end; the end or dying of...
3	Proto-Indo-European	gʷelH-	to throw, reach, pierce; to hit by throwing

Every word from Proto-Indo-European gʷelH- →Every word from Proto-Germanic kwildiz →Every word from Old Norse kveld →