H5153
נחוּשׁ
נָחוּשׁ ‎ nâchûsh
naw-khoosh‘
Apparently passive participle of 5172 (perhaps in the sense of ringing, that is, bell metal; or from the red color of the throat of a serpent (5175 as denominative) when hissing); coppery, that is, (figuratively) hard: - of brass.