Where does “blacktip” come from?

blacktip (English) comes from English Black, from Old French blanc, from Late Latin blancus, from Frankish blank, from Proto-Germanic *blank, from Proto-Germanic blankaz, from Proto-Indo-European bhleg- — to shine, white; to shine, burn, scorch.

blacktip (English): Any of various fish having black-colored tips;...

Definitions

  1. Any of various fish having black-colored tips;...

Ancestry of “blacktip”, step by step

blacktip traces back through two separate lines of ancestry.

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

via English tip

StepLanguageWordMeaning
1EnglishtipThe extreme end of something, especially when...
2Middle Englishtip
3Proto-Germanictuppijôto be atop
4Proto-Germanictuppaztuft, plait; top, summit
5Proto-Indo-Europeandumb-tail, rod, staff, pole, penis; tail, rod, staff,...
Every word from Proto-Indo-European bhleg-