Where does “ус” come from?

ус (Komi-Zyrian) 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.

ус (Komi-Zyrian): moustache

Definitions

  1. moustache

Ancestry of “ус”, step by step

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
Every word from Proto-Indo-European wendʰ- →Every word from Proto-Indo-European wondʰsom →Every word from Proto-Balto-Slavic wónsa →