Where does “jam doughnut” come from?

jam doughnut (English) comes from English doughnut, from English dough, from Middle English dow, from Old English dāg, from Proto-Germanic daigaz, from Proto-Indo-European *dʰóyǵʰos, from Proto-Indo-European dʰeyǵʰ- — to knead; to form, to shape.

jam doughnut (English): A doughnut filled with jam and usually topped with sugar

Definitions

  1. A doughnut filled with jam and usually topped with sugar

Ancestry of “jam doughnut”, step by step

jam doughnut traces back through two separate lines of ancestry.

via English doughnut

StepLanguageWordMeaning
1EnglishdoughnutA deep-fried piece of dough or batter, commonly...
2EnglishdoughA thick, malleable substance made by mixing flour...
3Middle EnglishdowAlternative form of dogh
4Old Englishdāgdough
5Proto-Germanicdaigazsoft; that which is formed or kneaded; dough
6Proto-Indo-European*dʰóyǵʰossomething that is kneaded, formed
7Proto-Indo-Europeandʰeyǵʰ-to knead; to form, to shape

via English JAM

StepLanguageWordMeaning
1EnglishJAMA household that is only barely able to meet its...
2Urduجامہgarment; robe; gown
3Persianجامهa garment, robe, vest, gown, coat
4Middle Persianyʾmk'
5Proto-Iranian*yām-
6Proto-Indo-IranianYámas
7Proto-Indo-European*yém-o-s
Every word from Proto-Indo-European dʰeyǵʰ-Every word from Proto-Indo-European *dʰóyǵʰosEvery word from Proto-Germanic daigaz