Where does “Крючков” come from?

Крючков (Russian) comes from Russian крючо́к, from Russian крюк, from Old Norse krókr, from Proto-Germanic krōkaz, from Proto-Indo-European gerg-, from Proto-Indo-European ger- — to turn, bend, twist, wind; to tie, bind...

Ancestry of “Крючков”, step by step

StepLanguageWordMeaning
1Russianкрючо́кhook
2Russianкрюкhook; detour
3Old Norsekrókrhook
4Proto-Germanickrōkazsomething bent, a hook
5Proto-Indo-Europeangerg-to shout; tracery, basket, twist; wicker, bend
6Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...
Every word from Proto-Indo-European ger-Every word from Proto-Indo-European gerg-Every word from Proto-Germanic krōkaz