Where does “лоботряс” come from?

лоботряс (Russian) comes from Russian лоб, from Proto-Slavic lъbъ, from Proto-Indo-European lubʰo.

лоботряс (Russian): idler, lazybones

Definitions

  1. idler, lazybones

Ancestry of “лоботряс”, step by step

лоботряс traces back through 3 separate lines of ancestry.

via Russian лоб

StepLanguageWordMeaning
1Russianлобforehead
2Proto-Slaviclъbъskull
3Proto-Indo-Europeanlubʰo—

via Russian трясти́

StepLanguageWordMeaning
1Russianтрясти́to shake
2Russian-и́наage
3Proto-Slavic-inaDenominal, forming collectives denoting something...

via Ukrainian лоб

StepLanguageWordMeaning
1Ukrainianлобforehead
Every word from Proto-Indo-European lubʰo →Every word from Proto-Slavic lъbъ →Every word from Russian лоб →