11 letters · 16 points in Scrabble
noun either of two punctuation marks (or) used to enclose textual material
noun a message that departs from the main subject
originLearned borrowing from Late Latin parenthesis (“addition of a letter to a syllable in a word”), itself borrowed from Ancient Greek παρένθεσις (parénthesis, “insertion”). By surface analysis, par- + en- + thesis.
Etymology from Wiktionary, CC BY-SA 3.0