رَسّخَ: ثَبّتَ to establish, settle, stabilize, steady, make firm, make stable; to fix, fasten, make fast; to secure; to implant; to strengthen, consolidate, firm up

رَسّخَ فِي الذّهْن to (im)plant, (in)fix, instill, inculcate, infuse, (en)grave, impress permanently