[Bartleby dictionary]
ver·meil = 1. Vermilion or a similar bright red color. 2. (vr-m)
Gilded silver, bronze, or copper; Middle English vermail, from Old
French vermeil, from Late Latin vermiculus, a kind of red worm, from
Latin, grub, diminutive of vermis, worm.
vermilion = 1. A bright red mercuric sulfide used as a pigment. 2. A
vivid red to reddish orange. Also called Chinese red, cinnabar.
Middle English vermelion, from Old French vermeillon, from vermeil.
http://aa2411s.aa.tufs.ac.jp/~tjun/sktdic/cgi-bin/dic-srch.cgi
mleccha = 1.copper; 2.vermilion
These two words both meaning 'copper' and 'vermilion' provide a
parallel semantic evolution in reference to color.
S'iva in the Indian tradition is Rudra also connoting 'red'
or 'blood-(red)'.
Could the deer-antelope carried by S'iva on some bronzes be
identified as 'mleccha' as a phonetic determinant of '(red)copper'?