An Etymological Dictionary of Astronomy and Astrophysics

1. The act of receding, going back, or withdrawing.
   

2. Economics: A period of an economic contraction, sometimes limited in scope or duration (Dictionary.com).

Etymology (EN): From Fr. récession “a going backward, a withdrawing,” from L. recessionem “a going back,” noun of action from p.p. stem of recedere “to go back, fall back; withdraw, retire,” from → re- “back” + cedere “to go,” → process.

Etymology (PE): Duršod, from dur, → remote, + šod “going,” past stem of šodan “to go, to become,” → change. Vâraveš, from vâ-, → re-, + raveš verbal noun of raftan “to go,” → method.