Where does “stormlessness” come from?

stormlessness (English) comes from English stormless, from English storm, from Middle English storm, from Old English storm, from Proto-West Germanic *sturm, from Proto-Germanic sturmaz, from Proto-Indo-European (s)twer- — to rotate, swirl, twirl, move around; to turn...

stormlessness (English): Absence of storms; calm

Definitions

  1. Absence of storms; calm

Ancestry of “stormlessness”, step by step

stormlessness traces back through two separate lines of ancestry.

via English stormless

StepLanguageWordMeaning
1EnglishstormlessWithout a storm or stormy weather
2EnglishstormAny disturbed state of the atmosphere, especially...
3Middle EnglishstormA storm; an instance of intense wind and...
4Old Englishstormstorm
5Proto-West Germanic*sturmstorm
6Proto-Germanicsturmazstorm
7Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European (s)twer-