Where does “noise-free” come from?

noise-free (English) comes from English Free, from English faller, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti — he, she.

Ancestry of “noise-free”, step by step

noise-free traces back through two separate lines of ancestry.

via English Free

StepLanguageWordMeaning
1EnglishFreeUnconstrained
2EnglishfallerOne who falls; A fruit that falls from the tree,...
3English-erA person or thing that does an action indicated...
4Middle English-eragentive suffix; agent noun suffix
5Old French-erAlternative form of -ier, verbal suffix;...
6Latin-ārefirst conjugation
7Proto-Italic-āōForms primarily denominative verbs
8Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
9Proto-Indo-European-yétiCreates intransitive, often deponent,...
10Proto-Indo-Europeanyé-
11Chichewaiyehe, she

via English noise

StepLanguageWordMeaning
1EnglishnoiseVarious sounds, usually unwanted or unpleasant;...
2Middle EnglishnoyseA sound auditory sensation
3Old Frenchnoisedispute, argument; noise, sound
4Latinnauseanausea; seasickness; second-person singular...
5Ancient Greekναυσίαnausea, seasickness
6Ancient Greekναῦςa ship
7Proto-Indo-Europeannéh₂usboat
8Proto-Indo-European(s)neh₂-to swim; to float
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti
noise-free — Etymology, Origin & Word History | Etymology Explorer