To fix deeply or indelibly, as in the mind: “A system that had been ingrained for generations could not be easily undone by change from the top”(Doris Kearns Goodwin).
Archaic To dye or stain into the fiber of.
adjective(ĭnˈgrānˌ)
Deep-seated; ingrained.
Made of predyed fibers; thoroughly dyed: ingrain yarn.
Made of fiber or yarn dyed before weaving. Used especially of rugs.