Where does “normally black” come from?

normally black (English) comes from English normally, from English normal, from Latin normālis, from Latin nōrma, from Ancient Greek γνώμων, from Ancient Greek γιγνώσκω, from Proto-Indo-European ǵn̥h₃sḱéti, from Proto-Indo-European ǵneh₃- — to know.

normally black (English): for LCD to be opaque and thus black when voltage...

Definitions

  1. for LCD to be opaque and thus black when voltage...

Ancestry of “normally black”, step by step

normally black traces back through two separate lines of ancestry.

via English normally

StepLanguageWordMeaning
1EnglishnormallyUnder normal conditions or circumstances;...
2EnglishnormalAccording to norms or rules or to a regular...
3Latinnormālisperpendicular, square, with right angles
4Latinnōrmaa carpenter’s square
5Ancient Greekγνώμωνinterpreter, discerner; carpenter's square;...
6Ancient GreekγιγνώσκωI am aware of; I perceive, observe, know, learn;...
7Proto-Indo-Europeanǵn̥h₃sḱétito recognise
8Proto-Indo-Europeanǵneh₃-to know

via English Black

StepLanguageWordMeaning
1EnglishBlackAlternative letter-case form of black
2Old Frenchblancwhite
3Late Latinblancuswhite
4Frankishblankbright; gleaming, white, blinding; bright,...
5Proto-Germanic*blank
6Proto-Germanicblankazbright, shining, white, gleaming, blinding
7Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch
Every word from Proto-Indo-European ǵneh₃-Every word from Proto-Indo-European ǵn̥h₃sḱétiEvery word from Ancient Greek γιγνώσκω