The OED is the definitive record of the English language, featuring 600,000 words, 3 million quotations, and over 1,000 years of English.
1. In the psychological theory of K. Lasswitz: a physical property of the nervous system analogous to electrical capacitance, believed to be correlated with feeling. Obs. rare.
2.
b. orig. Psychol. The ability to understand and appreciate another person’s feelings, experience, etc.
another person’s feelings,
experience, etc.