Where does “nertystning” come from?

nertystning (Swedish) comes from Swedish nertysta, from Swedish tysta, from Swedish tyst, from Old Swedish þyster, from Proto-Germanic þusiþaz, from Proto-Germanic þusjaną, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “nertystning”, step by step

StepLanguageWordMeaning
1Swedishnertysta
2Swedishtystato mute, to silence (something or someone), to make quiet
3Swedishtystquiet; with little or no sound; quiet; having the...
4Old Swedishþyster
5Proto-Germanicþusiþazsilent
6Proto-Germanicþusjanąto be calm
7Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European tewh₂-Every word from Proto-Germanic þusjanąEvery word from Proto-Germanic þusiþaz