삼강오륜이 · 삼강오륜을
the Three Bonds and Five Relationships (Confucian moral code)
Example
삼강오륜은 조선 사회의 기본 윤리였어요.
The Three Bonds and Five Relationships were the basic ethics of Joseon society.
Word parts
삼 three+강 bond+오 five+륜 relationship
Literally 'three main ropes and five human relationships'.