优奥(yōu ào) “excellent and profound”
not found at HD. 1.1726.; not found at DK. 1.958.;
99b24.法之供养者，顺若如来所说经典深妙优(v.l. 幽)奥，开化一切世间人民难受、难见(p)
K. 224.1-; not found at L. 30b29;
112a4.佛告弥勒大士：“善哉，阿逸！ 仁者所问极大微妙，优奥难量(p)
K. 308.1.udāra~; L. 41a15.大(事);