lifemost
Lifemost is a term that can refer to several concepts, most commonly a person's longest or most significant period of life. This can encompass childhood, adolescence, adulthood, or old age, depending on the individual's perspective and experiences. It might also be used to describe a peak period of activity, happiness, or fulfillment in a person's life.
In a broader, sometimes metaphorical sense, "lifemost" could also relate to the enduring aspects of life or