δεδώκεισαν δὲ καὶ οἱ ἀρχιερεῖς καὶ οἱ Φαρισαῖοι ἐντολὴν ἵνα ἐάν τις γνῷ ποῦ ἐστι, μηνύσῃ, ὅπως πιάσωσιν αὐτόν.

1. δεδώκεισαν
   had given
2. δὲ
   but
   and
3. καὶ
   and
4. οἱ
   the
5. ἀρχιερεῖς
   chief priests
6. καὶ
   and
7. οἱ
   the
8. Φαρισαῖοι
   Pharisees
9. ἐντολὴν
   commandment
10. ἵνα
    so that
11. ἐάν
    if
12. τις
    someone
    who
13. γνῷ
    may know
    should know, i may know
14. ποῦ
    somewhere
    where, perhaps
15. ἐστι
    is
16.  
    ,
     
17. μηνύσῃ
    he should report
18.  
    ,
     
19. ὅπως
    so that
20. πιάσωσιν
    they might seize
21. αὐτόν
    him
22.  
    .
     

And the chief priests and the Pharisees had given a commandment that if someone should know where he is, he should report it, so that they might seize him.