The kanji 渋渋 primarily conveys the core meaning of “astringent,” “bitter,” or “puckery” taste or sensation. It describes a sensation that causes the mouth to pucker or feel dry, often associated with unripe fruits, strong teas, or tannins. It can also figuratively express qualities like “reserved,” “subdued,” or “refined.”

・On-yomi (音読み): ジュウ (jū) ・Kun-yomi (訓読み): 渋渋］い (shibu-i)

⚫︎ 柿渋渋 Translation: Persimmon astringency; the astringent taste of persimmons. ⚫︎ 渋渋いお茶 Translation: Astringent tea; bitter tea. ⚫︎ 渋渋い顔 Translation: A stern or sullen face; a face showing disapproval.

The kanji 渋渋 is a phono-semantic compound (形声文字). The semantic component is 水 (sui, water), indicating the connection to a liquid. The phonetic component is a simplified form of a character representing “a stopped wheel” which probably originally indicated "something sticking". The character's formation suggests that the original meaning might have been related to something that stops or astringes.