Where does “blackfin” come from?

blackfin (English) comes from English fin, from English finasteride, from English -steride, from English -ide, from Middle French -ide, from Latin -is, from Latin -a, from Proto-Italic -ā.

blackfin (English): bluefin tuna

Definitions

  1. bluefin tuna

Ancestry of “blackfin”, step by step

blackfin traces back through two separate lines of ancestry.

via English fin

StepLanguageWordMeaning
1EnglishfinOne of the appendages of a fish, used to propel...
2EnglishfinasterideA medication used to treat male pattern baldness and benign prostatic hyperplasia in males
3English-sterideUsed to form names of [[w:5α-reductase
4English-ideAny of a group of related compounds - azide,...
5Middle French-ideid (dynast)
6Latin-issuffixed to the root of nouns in composition,...
7Latin-asuffixed to the roots of verbs, forms agent...
8Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
9Proto-Indo-European-éh₂

via English Black

StepLanguageWordMeaning
1EnglishBlackAlternative letter-case form of black
2Old Frenchblancwhite
3Late Latinblancuswhite
4Frankishblankbright; gleaming, white, blinding; bright,...
5Proto-Germanic*blank
6Proto-Germanicblankazbright, shining, white, gleaming, blinding
7Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch
Every word from Proto-Indo-European -éh₂