The ignorance entrenchment. Ignorance as something innate and deeply embedded in the consciousness， which is difficult to remove， and which serves as the basis for the production of afflictions （avidya^va^sa bhu^mi）. Discussed at length in the S/ri^ma^la^-su^tra， the Sutra of Original Karma， and Wonhyo's Doctrine of the Two Hindrances. ［二障义 HPC 1.801a-c; 胜鬘经 T 353.12.220a］［菩萨璎珞本业经 1485.24.1021c-1022a］