purástāt ind. before, forward, in or from the front, in the first place, in the beginning, [RV.] &c. &c.
in or from the east, eastward, [ib.]
in the preceding part (of a book), above, [RPrāt.]
(but also) further on i.e. below, [Suśr.]
(as prep.) before (of place or time), in front or in presence or before the eyes of (gen. abl. acc. or comp.), [RV.] &c. &c.
in comparison with (gen.), [Vcar.]