Where does “avvärjning” come from?

avvärjning (Swedish) comes from Swedish avvärja, from Swedish värja, from Old Swedish væria, from Old Norse verja, from Proto-Germanic warjaną, from Proto-Indo-European wēr-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “avvärjning”, step by step

StepLanguageWordMeaning
1Swedishavvärjaward off, stave off, fend off
2Swedishvärjarapier; epee; to defend, to protect
3Old Swedishværiato defend, to protect
4Old Norseverjato defend; thwart; defense
5Proto-Germanicwarjanąto ward off, to defend against; to thwart, to...
6Proto-Indo-Europeanwēr-true
7Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wēr-Every word from Proto-Germanic warjaną