overdyer
/ˈoʊvərˌdaɪər/Definitions
1. noun
A person who dyes wool and other yarns after they have been spun and before they are woven or knitted
“The overdyer carefully selected the colors to match the original fabric.”
2. verb
To dye wool or other yarns after they have been spun
“The artisan decided to overdyer the yarn to give it a rich, antique color.”