Where does “ајкулиште” come from?

ајкулиште (Macedonian) comes from Macedonian ајкула, 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.

Ancestry of “ајкулиште”, step by step

StepLanguageWordMeaning
1Macedonianајкулаshark
2Russianаку́лаshark
3Old Norsehákarla shark
4Old NorseKarlman
5Proto-Norseᚲᚨᚱᛁᛚᚨᛉ—
6Proto-Germanickarilazfree man, franklin; little man, young man
7Proto-Germanickaraz—
8Proto-Indo-Europeanǵerh₂-to grow old, to mature
Every word from Proto-Indo-European ǵerh₂- →Every word from Proto-Germanic karaz →Every word from Proto-Germanic karilaz →