修成(xiū chéng) “practises (something) to perfection”
not found at HD. 1.1372.; DK. 1.808d(后汉书);
102c17.多宝如来……本行道时，而自发愿：“吾会当以此《正法华经》当自修成，使诸菩萨皆得听闻。”(p)
K. 241.1.niryāta~; O. .pariniṣpanna~; not found at L. 32c11;