Where does “коротъкъ” come from?

коротъкъ (Old East Slavic) comes from Proto-Slavic kortъkъ, from Proto-Indo-European (s)kerd-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

Ancestry of “коротъкъ”, step by step

StepLanguageWordMeaning
1Proto-Slavickortъkъshort
2Proto-Indo-European(s)kerd-to move, sway, swing; to dance, jump; to move,...
3Proto-Indo-European(s)ker-to cut off; to turn, bend
4Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Indo-European (s)kerd- →