Where does “воротничок” come from?

воротничок (Russian) comes from Russian воротник, from Russian во́рот, from Old East Slavic воротъ, from Proto-Slavic vortъ, from Proto-Slavic -ъ, from Proto-Indo-European -om, from Proto-Indo-European -o-.

воротничок (Russian): collar

Definitions

  1. collar

Ancestry of “воротничок”, step by step

StepLanguageWordMeaning
1Russianворотникcollar
2Russianво́ротcollar (of a shirt)
3Old East Slavicворотъ—
4Proto-Slavicvortъneck
5Proto-Slavic-ъ*poteťi → *potokъ; *teťi → *tokъ; *gňiti →...
6Proto-Indo-European-omemphatic suffix or postpositive particle
7Proto-Indo-European-o-—
Every word from Proto-Indo-European -o- →Every word from Proto-Slavic -ъ →Every word from Proto-Slavic vortъ →