noun
mature experience; wisdom of age
A rare yojijukugo describing the deep, well-rounded experience and insight that comes with advanced age. Used in literary or formal contexts.
老成円熟した判断は、若者には真似できない。
Judgment born of mature experience is something young people cannot imitate.
A yojijukugo combining 老成 (precocious maturity, seasoned) and 円熟 (mellow, ripe). The exact origin is uncertain, but it follows the pattern of four-character compounds expressing ideal states of character.