Where does “пластинчатоусый” come from?

пластинчатоусый (Russian) comes from Russian ус, from Old East Slavic усъ, from Proto-Slavic ǫsъ, from Proto-Slavic vǫdsъ, from Proto-Balto-Slavic wónsa, from Proto-Indo-European wondʰsom, from Proto-Indo-European wendʰ- — to wind, to turn.

пластинчатоусый (Russian): Relating to the Scarabaeidae or the scarabs; scarabaeous

Definitions

  1. Relating to the Scarabaeidae or the scarabs; scarabaeous

Ancestry of “пластинчатоусый”, step by step

пластинчатоусый traces back through two separate lines of ancestry.

via Russian ус

StepLanguageWordMeaning
1Russianусmoustache; whisker; feeler, antenna
2Old East Slavicусъmoustache, beard
3Proto-Slavicǫsъhair of a moustache; moustache
4Proto-Slavicvǫdsъ
5Proto-Balto-Slavicwónsa
6Proto-Indo-Europeanwondʰsom
7Proto-Indo-Europeanwendʰ-to wind, to turn

via Russian пласти́нчатый

StepLanguageWordMeaning
1Russianпласти́нчатый
Every word from Proto-Indo-European wendʰ-Every word from Proto-Indo-European wondʰsomEvery word from Proto-Balto-Slavic wónsa