noun-modifying (irregular)
mellow; mature; fully developed; ripe
Describes a person, skill, or work that has reached a well-rounded, mature state through experience or time. Often used for artists, craftsmen, or their works.
The audience was moved by his mature performance.
One can sense a fully developed technique in this work.
Compound of 円 (en, 'round, harmonious') and 熟 (juku, 'ripen, mature'), with the past tense form した (shita) of する (suru) used as a prenominal modifier. The combination suggests a state of being fully rounded and ripened.