Where does “пустоголовий” come from?

пустоголовий (Ukrainian) comes from Ukrainian голова, from Ukrainian рі́зати, from Old East Slavic рѣзати, from Proto-Slavic rězati, from Proto-Balto-Slavic *rḗˀźtei, from Proto-Indo-European wreh₁ǵ- — to break, tear.

пустоголовий (Ukrainian): empty-headed, addle-brained

Definitions

  1. empty-headed, addle-brained

Ancestry of “пустоголовий”, step by step

пустоголовий traces back through two separate lines of ancestry.

via Ukrainian голова

StepLanguageWordMeaning
1Ukrainianголоваhead; chair, chairman, chairperson; chairman,...
2Ukrainianрі́затиto cut, to slice, to carve
3Old East Slavicрѣзати
4Proto-Slavicrězatito cut, to slice; to crop, to shear; to trim
5Proto-Balto-Slavic*rḗˀźteito cut
6Proto-Indo-Europeanwreh₁ǵ-to break, tear

via Ukrainian пусти́й

StepLanguageWordMeaning
1Ukrainianпусти́йempty
2Proto-Slavicpȗstъdesolate; empty
Every word from Proto-Indo-European wreh₁ǵ-Every word from Proto-Balto-Slavic *rḗˀźteiEvery word from Proto-Slavic rězati