Where does “butterflyfish” come from?

butterflyfish (English) 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.

butterflyfish (English): Any of a group of conspicuous tropical marine...

Definitions

  1. Any of a group of conspicuous tropical marine...

Ancestry of “butterflyfish”, step by step

butterflyfish traces back through two separate lines of ancestry.

via English Butterfly

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

via English Fish

StepLanguageWordMeaning
1EnglishFishThe constellation and zodiacal sign Pisces
2Old Englishfiscianto fish
3Proto-West Germanicfiskōnto fish, to catch fish
4Proto-Germanicfiskōnąto fish, to catch fish
5Proto-Germanic-ōnąCreates denominative verbs from nouns; Creates...
6Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she
Every word from Proto-Indo-European tewh₂-Every word from Proto-Indo-European tuh₂-ró-sEvery word from Proto-Hellenic tūrós