朽故(xiŭ gù) “old and rotten, decayed”
not found at HD. 4.724.; not found at DK. 6.69.;
76b16.譬如长者 而有大宅 极甚朽故 腐败倾危(v)
K. 82.12.jīrṇa~; L. 13c19.久故;