Where does “Runyonese” come from?

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

Runyonese (English): The language of the narrator in the stories of Damon Runyon: a mixture of formal speech and colorful slang, usually in the present tense and devoid of contractions

Definitions

  1. The language of the narrator in the stories of Damon Runyon: a mixture of formal speech and colorful slang, usually in the present tense and devoid of contractions

Ancestry of “Runyonese”, step by step

Runyonese 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 Runyon

StepLanguageWordMeaning
1EnglishRunyon
Every word from Proto-Italic *e(s)pesoEvery word from Latin ipseEvery word from Mexican Spanish ese