Where does “блудъ” come from?

блудъ (Old East Slavic) comes from Proto-Slavic blǫdъ, from Proto-Balto-Slavic blandas, from Proto-Indo-European bʰlendʰ- — to blend, to mix up; to make cloudy, opaque;...

Ancestry of “блудъ”, step by step

StepLanguageWordMeaning
1Proto-Slavicblǫdъdelusion; debauchery, depravity
2Proto-Balto-Slavicblandasobscuration, cloudiness
3Proto-Indo-Europeanbʰlendʰ-to blend, to mix up; to make cloudy, opaque;...
Every word from Proto-Indo-European bʰlendʰ- →Every word from Proto-Balto-Slavic blandas →Every word from Proto-Slavic blǫdъ →