mellowness; maturity; ripeness
Describes a person's character, skill, or artistic expression that has deepened and become well-rounded through experience, like fruit that has ripened. Often used for seasoned professionals, artists, or craftsmen.
You can feel the mellowness in his performance.
As she aged, her writing gained more maturity.
Compound of 円熟 (maturity, ripeness) and 味 (taste, flavor), literally 'the flavor of ripeness'. The exact historical derivation is uncertain, but the word figuratively extends the idea of ripened fruit to human maturity.