Where does “волосяной” come from?

волосяной (Russian) comes from Russian во́лос, from Old East Slavic волосъ, from Proto-Slavic vȏlsъ — hair pigmented filament.

волосяной (Russian): hair; pileous

Definitions

  1. hair; pileous

Ancestry of “волосяной”, step by step

StepLanguageWordMeaning
1Russianво́лосa hair
2Old East Slavicволосъa hair
3Proto-Slavicvȏlsъhair pigmented filament
Every word from Proto-Slavic vȏlsъ →Every word from Old East Slavic волосъ →Every word from Russian во́лос →