Where does “rainbow shark” come from?

rainbow shark (English) comes from English rainbow, from German Regenbogen, from Middle High German rëgenboge, from Old High German reginbogo, from Proto-Germanic regnabugô, from Proto-Germanic bugô, from Proto-Indo-European bʰugʰ-, from Proto-Indo-European bʰewgʰ- — to bend; curve, arch.

rainbow shark (English): A species of cyprinid; Epalzeorhynchos frenatum

Definitions

  1. A species of cyprinid; Epalzeorhynchos frenatum

Ancestry of “rainbow shark”, step by step

rainbow shark traces back through two separate lines of ancestry.

via English rainbow

StepLanguageWordMeaning
1EnglishrainbowA multicoloured arch in the sky, produced by...
2GermanRegenbogenrainbow
3Middle High Germanrëgenboge
4Old High Germanreginbogorainbow
5Proto-Germanicregnabugôrainbow
6Proto-Germanicbugôbow
7Proto-Indo-Europeanbʰugʰ-bow; arch
8Proto-Indo-Europeanbʰewgʰ-to bend; curve, arch

via English shark

StepLanguageWordMeaning
1EnglishsharkA scaleless, predatory fish of the superorder...
2GermanSchurkevillain, scoundrel
Every word from Proto-Indo-European bʰewgʰ-
rainbow shark — Etymology, Origin & Word History | Etymology Explorer