The kanji 憾憾 primarily conveys the feeling of regret, resentment, or dissatisfaction. It suggests a sense of having done something wrong, or a feeling of incompleteness or longing for something that is lost or unattainable. It implies a lingering sense of unhappiness.

・On-yomi (音読み): * カン ・Kun-yomi (訓読み): * うら-む (uramu) * うら-み (urami)

⚫︎ 後悔と憾み Translation: Regret and resentment. ⚫︎ 憾みを抱く Translation: To harbor regret/resentment. ⚫︎ 万死に値する憾み Translation: A regret worthy of ten thousand deaths (a severe regret).

This kanji is a combination of two components: ⚫︎ The left side is a radical called 忄 (りっしんべん, risshinben), which represents the "heart" or "mind". It gives the kanji its emotional aspect. ⚫︎ The right side is 感, which means "to feel" or "to sense", providing the meaning of emotion or feeling. ⚫︎ Therefore, the structure of 憾憾 suggests the feeling of a sad or negative emotion in one's heart, leading to the sense of regret or resentment. The overall formation of the kanji points to the intensity of the internal emotion experienced.