When Adding a Second “PS” at the End of a Letter, It’s “PPS”, Not “PSS”

This, of course, is because “PS” stands for “postscript”. This comes from the Latin “post scriptum” (sometimes written “postscriptum”), which translates to “written after”, or more to the point, “what comes after the writing”.

Thus, PSS would mean “postscript script”, which doesn’t really make sense in this context. Rather, the correct way to write this abbreviation is “PPS” for “post-postscript” or “after what comes after the writing”. This continues to PPPS, PPPPS, and so on.

Also note, both forms “P.S.” and “PS” are considered correct, though the latter form, without the periods, is considered the preferred method today as “postscript” is now considered one word.

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  • Actually, PSS is Post-Super-Scriptum

  • I completely agree with everything here. It’s all very logical. Unfortunately, language doesn’t often follow the most logical path. (Take Hamburg+er -to- Cheese+burger as an example.)

    I’m subscribed to dozens of email newletters from the top names in the email business, and I see PSS probably twice as often as PPS. With time, one will win out through sheer usage, and my money’s on PSS.

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