endure, (kokuji)
怺 centers on enduring or bearing something, often with emotional or mental effort. It is a kokuji created in Japan to express this specific idea of patient endurance.
怺 is a Japanese kokuji, combining the heart radical 忄 with 永 (eternal, long) to suggest enduring something with the heart over a long time.
The heart radical 忄 beside 永 (eternity) paints a picture of a heart that must last forever: enduring patiently.
For こら, imagine enduring a harsh cola challenge: cola -> こら, and your heart 忄 must bear the eternal 永 fizz.
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