Steinwolle (German) comes from German Wolle, from Middle High German wolle, from Old High German wolla, from Proto-West Germanic wullu, from Proto-Germanic wullō, from Proto-Indo-European h₂wĺ̥h₁neh₂, from Proto-Indo-European -nós — Creates verbal adjectives from roots.
Steinwolle (German): rockwool
Definitions
rockwool
Ancestry of “Steinwolle”, step by step
Steinwolle traces back through two separate lines of ancestry.