三千大千國土(sān qiān dà qiān guó tŭ) “a world system consisting of a triple-thousand great one-thousand worlds,
i.e. trichiliocosm, the whole universe”
Cf. 三千大千世界(sān qiān dà qiān shì jiè) etc.; not found at HD. 1.177.; not found at DK. 1.159.;
56c22.若三千大千國土滿中怨賊,………(p)
K. 440.7.trisāhasra-mahāsāhasra~ lokadhātu~; Z. 129a22.三千大千世界;