overtint

over- +‎ tint

overtint (third-person singular simple present overtints, present participle overtinting, simple past and past participle overtinted)

1. (transitive) To tint excessively.
   • 1909, Joseph Merritt Matthews, Laboratory Manual of Dyeing and Textile Chemistry, page 31:

     The actual amount of color required is very small and care must be exercised not to overtint the wool, or a bluish tone will be obtained.

2. (transitive) To apply another tint over.

overtint (plural overtints)

1. A tint layered over another.
   • 1905, Booth Tarkington, The Conquest of Canaan:

     She wore the same dress she had worn that Sunday of their tryst; that exquisite dress, with the faint lavender overtint, like the tender colours of the beautiful day he made his own.

• Tiverton