Where does “баттерфляй” come from?

баттерфляй (Russian) comes from English Butterfly, from Middle English boterflye, from Old English buterflēoge, 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.

баттерфляй (Russian): butterfly, butterfly stroke

Definitions

  1. butterfly, butterfly stroke

Ancestry of “баттерфляй”, step by step

StepLanguageWordMeaning
1EnglishButterflyA flying insect of the order Lepidoptera, distinguished from moths by their diurnal activity and generally brighter colouring
2Middle Englishboterflyebutterfly; Something of little import or value; A...
3Old Englishbuterflēogebutterfly
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
Every word from Proto-Indo-European tewh₂-
баттерфляй — Etymology, Origin & Word History | Etymology Explorer