Where does “жиртрест” come from?

жиртрест (Russian) comes from Russian трест, from English trust, from Middle English trust, from Old Norse traust, from Proto-Germanic traustą, from Proto-Indo-European dreu- — tree; firm, solid, steadfast.

жиртрест (Russian): fat or obese person; fatso

Definitions

  1. fat or obese person; fatso

Ancestry of “жиртрест”, step by step

жиртрест traces back through two separate lines of ancestry.

via Russian трест

StepLanguageWordMeaning
1Russianтрестtrust
2EnglishtrustConfidence in or reliance on some person or...
3Middle Englishtrustconfidence, reliance
4Old Norsetraustconfidence, help, protection; trust; benefit,...
5Proto-Germanictraustąshelter; help; aid; trust; confidence; alliance
6Proto-Indo-Europeandreu-tree; firm, solid, steadfast

via Russian жир

StepLanguageWordMeaning
1Russianжирfat or oil from the body of an animal; grease
2Old Russianжиръ
3Proto-Slavicžirъfeed?, fodder?, grease?
Every word from Proto-Indo-European dreu-Every word from Proto-Germanic traustąEvery word from Old Norse traust