Where does “deštík” come from?

deštík (Czech) comes from Czech déšť, from Old Czech déšč, from Proto-Slavic dъždžь, from Proto-Indo-European dus-dyu- — bad sky.

Ancestry of “deštík”, step by step

StepLanguageWordMeaning
1Czechdéšťrain
2Old Czechdéščrain
3Proto-Slavicdъždžьrain
4Proto-Indo-Europeandus-dyu-bad sky
Every word from Proto-Indo-European dus-dyu- →Every word from Proto-Slavic dъždžь →Every word from Old Czech déšč →
deštík — Etymology, Origin & Word History | Etymology Explorer