Lewis & Short

prō-porro, adv. (Lucretian).

  1. I. Lit., furthermore, moreover: et, sibi proporro quae sint primordia, quaerunt, Lucr. 2, 979; 4, 890; 5, 312; Lucil. ap. Non. p. 140, 13.
  2. II. Transf., in gen., altogether, utterly, wholly, Lucr. 3, 275; 281.