Where does “goethite” come from?

Goethite derives from English -ite, French -ite, Latin -ites, Ancient Greek -ίτης, ultimately from Ancient Greek πόλις meaning city, via Proto-Hellenic -tāts and Proto-Indo-European -teh₂ts, with the mineral named after Johann Wolfgang von Goethe.

goethite (English): An iron oxyhydroxide that is the main constituent...