Where does “no-platform” come from?

no-platform (English) comes from English Nō, from Middle English no, from Old English nā, from Old English ne, from Old English ealles, from Old English -es, from Proto-Germanic -as, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

no-platform (English): To deny (a person or organisation) the use of platforms (newspaper columns, speaking engagements, etc) to publish their opinions, etc

Definitions

  1. To deny (a person or organisation) the use of platforms (newspaper columns, speaking engagements, etc) to publish their opinions, etc

Ancestry of “no-platform”, step by step

no-platform traces back through two separate lines of ancestry.

via English

StepLanguageWordMeaning
1English
2Middle Englishnono
3Old Englishno
4Old Englishnenot; or, and not; "ne... ne..." is used to mean "...
5Old Englisheallescompletely, wholly, entirely; totally,...
6Old English-espossessive marker, indicating that an object...
7Proto-Germanic-asused in formation of adverbs
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English platform

StepLanguageWordMeaning
1EnglishplatformA raised stage from which speeches are made and...
2Middle Frenchplateformea flat form
3Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
4Proto-Indo-Europeanpléth₂usflat, broad
5Proto-Indo-Europeanpleth₂-flat
Every word from Proto-Indo-European -os
no-platform — Etymology, Origin & Word History | Etymology Explorer