Wordnet 3.0
VERB (1)
1. 
 place before another constituent in the sentence; 
- Example: "English preposes the adpositions Japanese postposes them"; 
The Collaborative International Dictionary of English v.0.48:
Prepose \Pre*pose"\, v. t. [F. pr['e]poser; pref. pr['e]- (L.
   prae before) + poser. See Pose.]
   To place or set before; to prefix. [Obs.] --Fuller.
   [1913 Webster]
WordNet (r) 3.0 (2006):
prepose
    v 1: place before another constituent in the sentence; "English
         preposes the adpositions; Japanese postposes them"