Ἀναβαίνουσιν ὄρη, καὶ καταβαίνουσι πεδία εἰς τόπον ὃν ἐθεμελίωσας αὐτοῖς.

1. Ἀναβαίνουσιν
   They go up
   Are advancing, They mount
2. ὄρη
   mountains
3.  
   ,
    
4. καὶ
   and
5. καταβαίνουσι
   go down
   descend
6. πεδία
   plains
7. εἰς
   into
8. τόπον
   place
9. ὃν
   which
   whom, being
10. ἐθεμελίωσας
    founded
    you founded, you established
11. αὐτοῖς
    to them
    them
12.  
    .
     

They go up mountains and descend to plains, into the place which you founded for them.