what does Karuna mean?

compassion for all

Karuna is one of the four noble truths of Buddhism and forms the basis for Metta Bhavani, or Loving Kindness meditation, practiced all across the world. It is the root of Tonglen and it could very well be the antidote to suffering.
After the death of my husband, Alby Coenen, we discovered that he had written this word at the top of all his letters.