Lewis & Short

per-tingo, ĕre, v. a. [tango], to stretch out, reach, extend to a certain point (rare; not in Cic.; often confounded in MSS. with pertineo).

  1. I. Lit.: collis in immensum pertingens, Sall. J. 48, 3 Dietsch and Kritz: montis Apennini jugum mediā curvaturā prope tangens oras maris Hadriani pertingit circumitionibus contra fretum, Vitr. 2, 10, 1: infortunatam pertingens cespite Trojam, Avien. Descr. Orb. 986: turris, cujus culmen pertingat ad caelum, Vulg. Gen. 11, 4; id. 2 Par. 28, 9 al. (but in Lucr. 4, 277, the correct read. is perterget, v. Lachm. ad h. l.).
  2. II. Trop., to reach, attain: ad sapientiam Zenonis pertingere, Front. p. 255.