91%RatingSave Gender Feminine & Masculine Usage Korean Scripts 윤서(Korean Hangul) 尹序, 允序, etc.(Korean Hanja) Pronounced Pron. YOON-SU [key·IPA] Meaning & History From Sino-Korean 尹 (yun) meaning "govern" or 允 (yun) meaning "allow, consent" combined with 序 (seo) meaning "series, sequence", as well as other hanja character combinations. Categories Korean, top 10 in South Korea