deep-rooted prejudice

Translations
глубоко укоренившийся предрассудок
Overcoming deep-rooted prejudice requires education and understanding.
Преодоление глубоко укоренившихся предрассудков требует образования и понимания.
Definitions
A deep-rooted prejudice refers to a strong, ingrained bias or discrimination against a particular group of people, often based on race, ethnicity, gender, or other characteristics, that is deeply embedded in an individual's beliefs or societal norms and is resistant to change.
Words
deep

adverb
глубоко
rooted

adjective
укоренившийся
prejudice

noun
предрассудок