Where does “klétva” come from?

klétva (Czech) comes from Proto-Slavic klętva, from Proto-Slavic klęti — to swear, to give an oath.

Ancestry of “klétva”, step by step

StepLanguageWordMeaning
1Proto-Slavicklętvaa type of oath
2Proto-Slavicklętito swear, to give an oath
Every word from Proto-Slavic klęti →Every word from Proto-Slavic klętva →