LAT

Lewis Short

vappo (noun M) : root vap-, to flutter; cf. Gr. ήπίολος, moth
* A moth, butterfly, Lucr. (or Lucil.) Fragm. ap. Prob. p. 1450 P. (v. Lindem. Corp. Gram. I. p. 109, n. 32; cf. Lachm. ad Lucr. 2, p. 165 sq.).
Charlton T. Lewis, Charles Short, A Latin Dictionary
memory