Where does “волнолом” come from?

волнолом (Russian) comes from Russian волна́, from Old East Slavic вълна, from Proto-Slavic vь̀lna, from Proto-Balto-Slavic wílˀnāˀ, from Proto-Indo-European h₂wĺ̥h₁neh₂, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

волнолом (Russian): breakwater, groyne, pier

Definitions

  1. breakwater, groyne, pier

Ancestry of “волнолом”, step by step

волнолом traces back through two separate lines of ancestry.

via Russian волна́

StepLanguageWordMeaning
1Russianволна́wave
2Old East Slavicвълнаwool; wave
3Proto-Slavicvь̀lnawool
4Proto-Balto-Slavicwílˀnāˀwool
5Proto-Indo-Europeanh₂wĺ̥h₁neh₂wool
6Proto-Indo-European-nósCreates verbal adjectives from roots

via Russian ломи́ть

StepLanguageWordMeaning
1Russianломи́тьto break
2Proto-Slaviclomitito break
3Proto-Indo-Europeanh₃lemH-broken; weak, broken, soft
Every word from Proto-Indo-European -nós →Every word from Proto-Indo-European h₂wĺ̥h₁neh₂ →Every word from Proto-Balto-Slavic wílˀnāˀ →