The journeys taken by emotion words shape our inner lives

Charting the ever-shifting territory of these words' meanings. Euphoria, enthusiasm and ecstasy — these are some common English words have their origins in Ancient Greek. But, how did this happen and what does it mean for our understanding of human experience across time and space? Tim Lomas — a psychology research scientist at the Harvard T. H. Chan School of Public Health and the Human Flourishing Program at Harvard University — explores.