Where does “preswirl” come from?

preswirl (English) comes from English pre, from Latin prae, from Proto-Italic prai, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

preswirl (English): The deliberate imparting of a swirling motion to the incoming airflow, to reduce drag on the rotor blades

Definitions

  1. The deliberate imparting of a swirling motion to the incoming airflow, to reduce drag on the rotor blades

Ancestry of “preswirl”, step by step

preswirl traces back through two separate lines of ancestry.

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via English swirl

StepLanguageWordMeaning
1EnglishswirlTo twist or whirl, as an eddy; To be arranged in...
2Middle Englishswirlento eddy; swirl
3Old Norse*svirla
4Old Norsesverra
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-