Mettle etymology in English

Etymology Blog

English word mettle comes from Ancient Greek μεταλλάω

Dictionary entry	Language	Definition
μεταλλάω	Ancient Greek (grc)
μέταλλευειν	Ancient Greek (grc)
μέταλλον	Ancient Greek (grc)
metallum	Latin (lat)	Metal (atomic element or material made of such atoms). Mine (place where metals are found). Precious metals, especially gold or silver.
metal	English (en)	(music) Characterized by strong drum-beats and distorted guitars. [1970s and after]. Having the emotional or social characteristics associated with metal music; brash, bold, frank, unyielding, etc. To make a road using crushed rock, stones etc. (UK, obsolete, in the plural) The rails of a railway.. (archaic) The substance that constitutes something or someone; matter; hence, character or [...]
mettle	English (en)	(obsolete) Metal; a metallic substance.. A quality of endurance and courage.. Good temperament and character.

Mettle etymology