10 letters · 16 points in Scrabble
noun a note appended to a letter after the signature
noun textual matter that is added onto a publication; usually at the end
originFrom New Latin postscriptum, from Latin, neuter of postscriptus, past participle of postscrībō (“write after”), from post (“after”) + scrībō (“write”). By surface analysis, post- + script.
Etymology from Wiktionary, CC BY-SA 3.0