Where does “trash fish” come from?

trash fish (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.

trash fish (English): A fish caught as bycatch and generally sold cheaply

Definitions

  1. A fish caught as bycatch and generally sold cheaply

Ancestry of “trash fish”, step by step

trash fish 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 trash

StepLanguageWordMeaning
1EnglishtrashUseless things to be discarded; rubbish; refuse;...
2Middle EnglishtraschRefuse or rubbish, especially that composed of...
3Old Norsetrosrubbish, fallen leaves and twigs; brittle branch
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -ōną