Where does “neplatný” come from?

neplatný (Czech) comes from Czech platný, from Czech platit, from Old Czech platiti, from Proto-Slavic platiti, from Proto-Slavic -iti, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

neplatný (Czech): invalid

Definitions

  1. invalid

Ancestry of “neplatný”, step by step

StepLanguageWordMeaning
1Czechplatnývalid
2Czechplatitto pay; to hold
3Old Czechplatitito pay
4Proto-Slavicplatitito pay
5Proto-Slavic-itiDeverbal, iterative; Deverbal, causative;...
6Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
7Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -yetiEvery word from Proto-Indo-European -éyetiEvery word from Proto-Slavic -iti