noun
filial devotion; filial piety
A somewhat formal or literary term for a child's heartfelt devotion and respect toward their parents, often used in discussions of Confucian values or traditional family ethics.
彼の孝心には頭が下がる。
I am deeply impressed by his filial devotion.
孝心を尽くして年老いた両親の世話をする。
She cares for her elderly parents with utmost filial devotion.