Xi comes from multiple Chinese characters. The character 喜 (xǐ) means joy, happiness, or delight — one of the foundational Chinese virtue characters appearing in compounds like 喜悦 (xǐyuè, joy), 欢喜 (huānxǐ, delighted), and 喜庆 (xǐqìng, joyful celebration). The doubled character 囍 (shuāngxǐ, double happiness) is the universal Chinese symbol for weddings. The character 熙 (xī) means bright, splendid, or prosperous, evoking radiance — used in Emperor Kangxi (康熙, 1654-1722), one of the greatest emperors of the Qing dynasty whose reign was considered a golden age of Chinese civilization. The pinyin Xi spelling represents the standard modern Mandarin romanization. The name has been used in Chinese masculine naming for centuries with multiple positive meanings depending on character choice. The 熙 character carries supreme imperial heritage through Emperor Kangxi, whose 61-year reign was the longest of any Chinese emperor and one of the most culturally significant. The name was made culturally significant by various Chinese historical and modern figures including Premier Xi Jinping (习近平, where 习 is the surname). In modern Chinese naming, Xi has been a fashionable choice particularly since the late twentieth century. Chinese parents who choose Xi are drawn to its beautiful meanings combining joy-happiness and imperial brightness, profound Qing imperial heritage through Emperor Kangxi.

The root form of Xi is Xi (å–œ / 熙) — meaning Joy, happiness, bright.

Xi remains a beloved choice. Timeless appeal across cultures and generations.