стекловата (Russian) comes from Russian стекло́, from Proto-Slavic stьklo, from Gothic 𐍃𐍄𐌹𐌺𐌻𐍃, from Proto-Germanic stiklaz, from Proto-Germanic stikiz, from Proto-Indo-European (s)teyg- — to be sharp; to sting.
стекловата (Russian): glass wool
Definitions
glass wool
Ancestry of “стекловата”, step by step
стекловата traces back through two separate lines of ancestry.