Where does “rockwool” come from?

rockwool (English) comes from English Rock, from English rock and roll, from English and, from Middle English an, from Old English ond, from Old English and, from Proto-Germanic andi, from Proto-Indo-European h₂énti — on, onto.

rockwool (English): Inorganic material resembling fiber, used...

Definitions

  1. Inorganic material resembling fiber, used...

Ancestry of “rockwool”, step by step

rockwool traces back through two separate lines of ancestry.

via English Rock

StepLanguageWordMeaning
1EnglishRockfor someone living near a rock or an oak (atter + oke)
2Englishrock and rollA genre of popular music that evolved in the...
3EnglishandAs a coordinating conjunction; expressing two...
4Middle EnglishanAlternative form of in; Alternative form of and;...
5Old Englishondand
6Old Englishandand; even; also
7Proto-Germanicandiin addition, furthermore, and
8Proto-Indo-Europeanh₂éntiopposite; near; in front
9Proto-Indo-Europeanh₂éntsforehead; front
10Proto-Indo-Europeanh₂ent-face; forehead; front
11Proto-Indo-Europeanh₂en-on, onto

via English Wool

StepLanguageWordMeaning
1EnglishWoolOS grid ref SY8486
2Middle Englishwollewool coat of sheep, especially when used to make fabric
3Old Englishwullwool
4Proto-West Germanicwulluwool
5Proto-Germanicwullōwool
6Proto-Indo-Europeanh₂wĺ̥h₁neh₂wool
7Proto-Indo-European-nósCreates verbal adjectives from roots
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts
rockwool — Etymology, Origin & Word History | Etymology Explorer