Where does “серая акула” come from?

серая акула (Russian) comes from Russian аку́ла, from Old Norse hákarl, from Old Norse Karl, from Proto-Norse ᚲᚨᚱᛁᛚᚨᛉ, from Proto-Germanic karilaz, from Proto-Germanic karaz, from Proto-Indo-European ǵerh₂- — to grow old, to mature.

серая акула (Russian): Any requiem shark of the genus Carcharhinus

Definitions

  1. Any requiem shark of the genus Carcharhinus

Ancestry of “серая акула”, step by step

серая акула traces back through two separate lines of ancestry.

via Russian аку́ла

StepLanguageWordMeaning
1Russianаку́лаshark
2Old Norsehákarla shark
3Old NorseKarlman
4Proto-Norseᚲᚨᚱᛁᛚᚨᛉ—
5Proto-Germanickarilazfree man, franklin; little man, young man
6Proto-Germanickaraz—
7Proto-Indo-Europeanǵerh₂-to grow old, to mature

via Russian се́рый

StepLanguageWordMeaning
1Russianсе́рыйgrey
2Proto-Slavicśěrъgray
Every word from Proto-Indo-European ǵerh₂- →Every word from Proto-Germanic karaz →Every word from Proto-Germanic karilaz →