Nantoka/悌tì悌 (tì) is a Chinese word meaning “to do one's duty as a younger brother”.Meanings1to do one's duty as a younger brotherRelated words友悌brotherly bond孝悌filial piety and fraternal duty孝悌忠信Confucian moral injunctions of fidelity恺悌happy and easygoing悌友to show brotherly love for friends悌睦to live at peace as brothersStudy Chinese with flashcards →