ETYMOLOGY
from Latin tinctus (a dyeing) + mūtāntem (changing)
EXAMPLE
“…The chameleon is the best known of all the tinctumutants (tinctus, color, and mutare, to change), though many other animals possess this faculty in a very marked degree…”
From: The Popular Science Monthly
January, 1895
Animal Tinctumutants
By Dr. James Weir, Jr.
Lexicophilia 