Dictionary Definition:
○tāt (avás-), ind. (Pāṇ. 5-3, 40) below RV. VS. ŚBr
• before (in time) TBr
• (as a prep. with gen.) below ŚBr
• (avástāt) -prapadana mfn. (anything) attained from below (as heaven) ŚBr
avás-tāt 2. avás