prae-scisco, ĕre,
v. inch. a. , to find out , or learn beforehand (not in Cic. or Caes.): animos volgi, Verg. G. 4, 70: exploratam fugam, Col. 9, 9, 4: adversos subitosque motus, Amm. 20, 6, 9.—With rel.-clause , Liv. 27, 35, 5.
prae-scīscō —, —, ere, to learn beforehand: animos volgi longe, V.: quam quisque provinciam haberet...
An Elementary Latin Dictionary