κατὰ τὰ αὐτὰ δέ, ἐὰν ἔθνει Ἰουδαίων συμβῇ προτέροις πόλεμος, συμμαχήσουσιν οἱ Ῥωμαῖοι ἐκ ψυχῆς, ὡς ἂν αὐτοῖς ὁ καιρὸς ὑπογράφῃ.

1. κατὰ
   according to
2. τὰ
   the
3. αὐτὰ
   them
4. δέ
   but
   and
5.  
   ,
    
6. ἐὰν
   if
7. ἔθνει
   nation
8. Ἰουδαίων
   Jews
9. συμβῇ
   happens
10. προτέροις
    former
11. πόλεμος
    war
12.  
    ,
     
13. συμμαχήσουσιν
    will ally
14. οἱ
    the
15. Ῥωμαῖοι
    Romans
16. ἐκ
    from
    out of
17. ψυχῆς
    soul
18.  
    ,
     
19. ὡς
    as
20. ἂν
    would
21. αὐτοῖς
    to them
    them
22. ὁ
    the
23. καιρὸς
    time
24. ὑπογράφῃ
    may prescribe
25.  
    .
     

And according to the same terms, if war happens first to the nation of the Jews, the Romans will ally wholeheartedly, as the time may prescribe to them.