Ὅτι τὸ ἔλεός σου μέγα ἐπʼ ἐμὲ, καὶ ἐῤῥύσω τὴν ψυχήν μου ἐξ ᾅδου κατωτάτου.

1. Ὅτι
   That
   Because
2. τὸ
   the
3. ἔλεός
   mercy
4. σου
   your
5. μέγα
   great
6. ἐπʼ
   upon
7. ἐμὲ
   me
8.  
   ,
    
9. καὶ
   and
10. ἐῤῥύσω
    you rescued
11. τὴν
    the
12. ψυχήν
    soul
13. μου
    my
14. ἐξ
    from
    out of
15. ᾅδου
    hades
16. κατωτάτου
    lowest
17.  
    .
     

Because your mercy is great upon me, and you rescued my soul from the lowest hades.