Where does “じゃがバター” come from?

じゃがバター (Japanese) comes from Japanese バター, from English Butter, from Middle English buter, from Old English butere, from Proto-West Germanic buterā, from Latin būtȳrum, from Ancient Greek βούτυρον, from Ancient Greek τυρός — to swell; to crowd; to be strong.

じゃがバター (Japanese): buttered potatoes

Definitions

  1. buttered potatoes

Ancestry of “じゃがバター”, step by step

じゃがバター traces back through two separate lines of ancestry.

via Japanese バター

StepLanguageWordMeaning
1Japaneseバターbutter
2EnglishButterA soft, fatty foodstuff made by churning the cream of milk (generally cow's milk)
3Middle Englishbuterbutter
4Old Englishbuterebutter
5Proto-West Germanicbuterābutter
6Latinbūtȳrumbutter
7Ancient Greekβούτυρονbutter
8Ancient Greekτυρόςcheese
9Proto-Hellenictūróscheese
10Proto-Indo-Europeantuh₂-ró-s
11Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via Japanese じゃがいも

StepLanguageWordMeaning
1Japaneseじゃがいも
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tuh₂-ró-sEvery word from Proto-Hellenic tūrós