Where does “US-ASCII” come from?

US-ASCII (English) comes from English US, from Middle English us, from Old English ūs, from Proto-Germanic uns, from Proto-Indo-European n̥smé, from Proto-Indo-European éǵh₂ — I.

US-ASCII (English): especially to differentiate it from 8-bit extended ASCII

Definitions

  1. especially to differentiate it from 8-bit extended ASCII

Ancestry of “US-ASCII”, step by step

US-ASCII traces back through two separate lines of ancestry.

via English US

StepLanguageWordMeaning
1EnglishUSInitialism of unconditioned stimulus;...
2Middle EnglishusFirst-person plural accusative pronoun: us;...
3Old Englishūsus
4Proto-Germanicunsaccusative of *wīz; us
5Proto-Indo-Europeann̥sméus
6Proto-Indo-Europeanéǵh₂I

via English ASCII

StepLanguageWordMeaning
1EnglishASCIIascians
Every word from Proto-Indo-European éǵh₂
US-ASCII — Etymology, Origin & Word History | Etymology Explorer