四大(sì dà) “the four great (physical elements which constitute the material world, viz. earth, water, fire, and air[or wind]”
HD. 3.570b(明报应论、圆觉经); DK. 3.30c(圆觉经);
55c19.净华宿王智佛问讯世尊：“少病，少恼，起居轻利，安乐行不？ 四大调和不？ 世事可忍不？ ……”(p)
K. 429.4.dhātavaḥ; not found at Z. 127c25;