U+7AA6 "窦" CJK Unified Ideograph-# Unicode Character

U+7AA6 "窦" CJK Unified Ideograph-# is a Chinese character that represents the concept of a hole, cavity, or sinus, often used in anatomical and architectural contexts, such as referring to a nostril or a narrow opening. It also functions as a Chinese surname, historically borne by notable figures like the Tang dynasty chancellor Dou Wei. In traditional usage, the character carries additional metaphorical meanings, including a breach or point of vulnerability, as seen in classical texts like the "Zuo Zhuan."