Where does “metalero” come from?

metalero (Spanish) comes from Spanish metal, from Old Spanish metal, from Old French métal, from Latin metallum, from Ancient Greek μέταλλον, from Ancient Greek μέταλλευειν — to mine, quarry.

metalero (Spanish): headbanger, metalhead; metalworker; metal

Definitions

headbanger, metalhead; metalworker; metal

Ancestry of “metalero”, step by step

Step	Language	Word	Meaning
1	Spanish	metal	metal
2	Old Spanish	metal	metal
3	Old French	métal	metal material
4	Latin	metallum	metal; precious metals, especially gold or...
5	Ancient Greek	μέταλλον	A mine, quarry, or salt pit; metal
6	Ancient Greek	μέταλλευειν	to mine, quarry

Every word from Ancient Greek μέταλλευειν →Every word from Ancient Greek μέταλλον →Every word from Latin metallum →