守丧 (shǒusāng) literally means 'to guard/maintain mourning' — 守 (shǒu) conveys the idea of observing, upholding, or adhering to a solemn duty, while 丧 (sāng) refers to bereavement or mourning. Together, the term describes the traditional Chinese practice of observing a formal mourning period after the death of a close family member, typically lasting three years (though often shortened in modern times). During this time, mourners traditionally wear plain or white clothing, abstain from celebrations, avoid marriage or new business ventures, and perform rituals honoring the deceased.

This practice is rooted in Confucian filial piety and reflects deep respect for ancestors and family hierarchy. While strict observance has declined in urban China today, many families still observe modified versions — such as wearing black for a week, holding memorial services, or refraining from festive activities during the first 49 days or 100 days after death. The verb is used only in formal, literary, or culturally reflective contexts, not in casual daily speech.