Inherited from Old East Slavic поросѧ́ (porosę́), from Proto-Slavic *pȏrsę, from *pòrsъ, from Proto-Balto-Slavic *párśas, from Proto-Indo-European *pórḱos.
поросѧ • (porosja) n animal (diminutive поросе́нокъ)
url=parasiaPlease see Module:checkparams for help with this warning.Martynaŭ, V. U., editor (1993), “парася́”, in Этымалагічны слоўнік беларускай мовы (in Belarusian), volumes 8 (не́марач – пая́ць), Minsk: Navuka i technika, →ISBN, page 162
url=porosyaPlease see Module:checkparams for help with this warning.Bulyka, A. M., editor (2007), “порося”, in Гістарычны слоўнік беларускай мовы (in Belarusian), numbers 27 (поровенъ – прегрешити), Minsk: Belaruskaia navuka, →ISBN, page 24