智慧门(zhì huì mén) “the gate to the wisdom (of buddhas)”
not found at HD. 5.766.; not found at DK. 5.906.;
5b26.诸佛智慧甚深无量。其智慧门难解难入，一切声闻、辟支佛所不能知(p)
K. 29.2.(buddha-)jñāna~; Z. 68a1~2.佛道………慧;