Dona nobis pachem is Latin and is really spelled dona nobis pacem and it means "Give us Peace".

A more common phrase is "Dona nobis pacem" or "Give us peace"

Dona nobis pacem translates from the Latin as "Grant us peace". It is said as a portion of all Roman Catholic masses and a version has been set to verse and sung as a canon in place of the recitation during mass.

It's called a "round". Other examples are "Frere Jacques", "Kookabura", and "Dona Nobis Pacem".

Sheldon Cohen has written:

'El Santo Rosario'

'My journey to Catholicism' -- subject(s): Biography, Christian converts from Judaism, Catholic converts

'The Litanies With Music'

'Dona Nobis Pacem'

'And Jesus Said'

'The Patient's Guide to the Complete Medical Examination and the Prevention of Medical Errors'

'Payback'

'A joyful noise' -- subject(s): Choirs (Music)

'Brainstorm'