Where does “oblačno” come from?

oblačno (Czech) comes from Czech oblačný, from Czech oblak, from Old Czech oblak, from Proto-Slavic obolkъ, from Proto-Slavic vȏlkъ — portage?, dragnet?.

oblačno (Czech): cloudy

Definitions

  1. cloudy

Ancestry of “oblačno”, step by step

StepLanguageWordMeaning
1Czechoblačnýcloudy covered with or characterised by clouds
2Czechoblak"inanimate"; cloud
3Old Czechoblak—
4Proto-Slavicobolkъcloud
5Proto-Slavicvȏlkъportage?, dragnet?
Every word from Proto-Slavic vȏlkъ →Every word from Proto-Slavic obolkъ →Every word from Old Czech oblak →