夙しゅく成せいじ字FuriganaMeanings1nounprecocity; early maturityRare literary noun for being precocious or developing early, especially in talent or intellect. Not used in everyday conversation.彼かれの夙しゅく成せいぶりには周しゅう囲いも驚おどろかされた。Those around him were amazed by his precocity.
