三脱(sān tuō) “the three (gates of) emancipation”
not found at HD. 1.233.; not found at DK. 1.165.;
99b4.不以花、香、伎樂供養爲供養也。當了三脱，至三達智、無極之慧，乃爲供養(p)
K. 224.1-; not found at L. 30b29;