Where does “pigfish” come from?

pigfish (English) comes from English Fish, from Old English fiscian, from Proto-West Germanic fiskōn, from Proto-Germanic fiskōną, from Proto-Germanic -ōną, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé- — he, she.

pigfish (English): Any one of several species of salt-water grunts,...

Definitions

  1. Any one of several species of salt-water grunts,...

Ancestry of “pigfish”, step by step

pigfish traces back through two separate lines of ancestry.

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

via English pig

StepLanguageWordMeaning
1EnglishpigAny of several intelligent mammalian species of...
2Middle EnglishpiggeA piglet or young pig; A pig irrespective of age;...
3Old Englishpicgaa young pig; piglet
4Proto-West Germanicpiggōpig
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -ōną