During the Three Kingdoms period, a man named Wang Chang, styled Wenshu, served as the crown prince's tutor under Emperor Wen of Wei (Cao Pi). After Emperor Ming of Wei (Cao Rui) ascended the throne, Wang Chang was appointed General of Yanglie and granted the title of Marquis of Guannei.
Wang Chang was a man of integrity who valued honor and reputation above all. When naming his sons and nephews, he deliberately chose characters that embodied humility and truth: his sons Wang Hun, styled Xuanchong, and Wang Shen, styled Daochong; his nephews Wang Mo, styled Chujing, and Wang Chen, styled Chudao. Wang Chang warned his younger kin, "I gave you these names so that whenever you see them, you will recall their meaning—and never act against what they stand for."
"As the name suggests," this idiom originally meant seeing a name and thinking of its meaning, later used to describe an explanation that is perfectly natural.
Source: *Records of the Three Kingdoms*, "Biography of Wang Chang" in the "Wei" section
Meaning of the Idiom: Later, the Chinese idiom "顾名思义" came to describe how seeing a name and thinking of its meaning leads to an explanation that is perfectly natural.