Also written and said more grammatically correct as "
suffice it to say" or "(it) suffices to say", this term basically, literally means "it is sufficient to say"
From the word "suffice" which when used as an intrasitive verb like in the example above, means "to meet present needs or requirements; be sufficient".
"
Suffice to say" is often deemed an
archaic version of the popular saying.
Current: "It suffices to say that my grief is unmatched."
Archaic: "
Suffice to say, the trailer park in which that gentleman lives is quite the spacially
economical achievement in residential land use."