Where does “Kratky” come from?

Kratky (English) comes from Czech krátký, 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 “Kratky”, step by step

Kratky traces back through two separate lines of ancestry.

via Czech krátký

StepLanguageWordMeaning
1Czechkrátkýshort
2Proto-Slavickortъkъshort
3Proto-Indo-European(s)kerd-to move, sway, swing; to dance, jump; to move,...
4Proto-Indo-European(s)ker-to cut off; to turn, bend
5Proto-Indo-Europeansek-to cut, cut off, sever

via Slovak krátky

StepLanguageWordMeaning
1Slovakkrátkyshort
Every word from Proto-Indo-European sek-Every word from Proto-Indo-European (s)ker-Every word from Proto-Indo-European (s)kerd-