נְחֻשְׁתָּן Nᵉchushtân (H5180)

something made of copper, i.e. the copper serpent of the Desert

Nehushtan = "a thing of brass" 1) name by which the brazen serpent made by Moses in the wilderness was worshipped in the time of king Hezekiah of Judah before he destroyed it

from נְחֹשֶׁת (H5178);