Lewis & Short

clĕpo, psi, ptum (not clepi, v. Neue, Formenl. 2, 493; Madv. ad Cic. Fin. 5, 25, 74), 3, v. a. [root klep- of κλέπτω, whence also clipeus; kindred with celo, cella, occul-o, clam],

  1. I. to steal (rare, and mostly anteclass. for furor): sacrum qui clepsit rapsitve, old form. ap. Cic. Leg. 2, 9, 22: si quis clepsit, etc., old form. ap. Liv. 22, 10, 5; Att. ap. Cic. Tusc. 2, 10, 23; id. ap. Cic. N. D. 3, 27, 68; Plaut. Ps. 1, 2, 6; Lucil. ap. Varr. L. L. 7, § 94 Müll.; Auct. ap. Cic. Rep. 4, 5, 11 (v. Non. p. 20, 14; cf. Madvig. ad Cic. Fin. 5, 25, 75); Manil. 1, 27; Prud. Psych. 562.
  2. II. Trop.: sermonem, to listen secretly to, Pac. ap. Non. p. 20, 18; so, verba nostra auribus, Att. ib. p. 12: se opificio, to withdraw secretly from the work, Varr. ib. p. 20: se, to conceal one’s self, Sen. Med. 156; id. Herc. Fur. 799.