1580s, "act of replacing," from Late Latin repositionem (nominative repositio), noun of action from past participle stem of Latin reponere (see repose (v.2)). Meaning "act of laying up in safety" is from 1610s.
also re-position, 1859, from re- "again" + position (v.). Related: Repositioned; repositioning.
they decided to reposition their furniture in a recommended repository in Brooklyn