Where does “Broadwayese” come from?

Broadwayese (English) comes from English ese, from Mexican Spanish ese, from Latin ipse, from Proto-Italic *e(s)peso — himself, herself, itself.

Broadwayese (English): The style of language associated with Broadway theatre: either industry jargon or the slang spoken by characters in the plays

Definitions

  1. The style of language associated with Broadway theatre: either industry jargon or the slang spoken by characters in the plays

Ancestry of “Broadwayese”, step by step

Broadwayese traces back through two separate lines of ancestry.

via English ese

StepLanguageWordMeaning
1Englishesedude, man
2Mexican SpanisheseThe name of the Latin-script letter S; that;...
3Latinipsehimself, herself, itself, the very, the actual;...
4Proto-Italic*e(s)pesohimself, herself, itself

via English Broadway

StepLanguageWordMeaning
1EnglishBroadwayThe highest straight in poker,...
Every word from Proto-Italic *e(s)pesoEvery word from Latin ipseEvery word from Mexican Spanish ese