ἐὰν δὲ ἐνστῇ πόλεμος Ῥώμῃ προτέρᾳ ἢ πᾶσι τοῖς συμμάχοις αὐτῶν ἐν πάσῃ κυρίᾳ αὐτῶν·

1. ἐὰν
   if
2. δὲ
   but
   and
3. ἐνστῇ
   should arise
   arises, comes
4. πόλεμος
   war
5. Ῥώμῃ
   Rome
   Strength
6. προτέρᾳ
   former
7. ἢ
   the
   or
8. πᾶσι
   all
9. τοῖς
   the
   to the
10. συμμάχοις
    allies
11. αὐτῶν
    their
    of them
12. ἐν
    in
13. πάσῃ
    all
14. κυρίᾳ
    authority
    mistress, lady
15. αὐτῶν
    their
    of them
16.  
    ·
     

If war should arise against Rome first or against all their allies in their entire domain,