Where does “Dutch treat” come from?

Dutch treat (English) comes from English treat, from Middle English treten, from Old French tretier, from Latin tractāre, from Latin tractō, from Latin -tō, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

Dutch treat (English): An occasion, such as a restaurant visit, in which everyone pays the bill for their own expenses

Definitions

  1. An occasion, such as a restaurant visit, in which everyone pays the bill for their own expenses

Ancestry of “Dutch treat”, step by step

Dutch treat traces back through two separate lines of ancestry.

via English treat

StepLanguageWordMeaning
1EnglishtreatTo negotiate, discuss terms, bargain; To...
2Middle Englishtreten
3Old Frenchtretier
4Latintractāre
5Latintractōto tug, drag or haul
6Latin-tōForms here
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

via English Dutch

StepLanguageWordMeaning
1EnglishDutchOf or pertaining to the Netherlands, the Dutch...
2Middle EnglishDuchGerman, Dutch; German, Low German, Dutch
3Middle Dutchduutsch
4Old Dutchthiudiscof the people, vernacular
5Proto-West Germanicþiudiskof the people, popular, vernacular
6Proto-Germanicþiudiskazof the people, popular; of the tribe
7Proto-Germanicþeudōpeople, tribe
8Proto-Indo-Europeantewtéh₂people, tribe
9Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin -tō