11 letters · 15 points in Scrabble
noun breaking off in the middle of a sentence (as by writers of realistic conversations)
originFrom Latin aposiopesis, from Ancient Greek ἀποσιώπησις (aposiṓpēsis), from ἀποσιωπάω (aposiōpáō, “be silent”), from ἀπό (apó, “off, from”) + σιωπάω (siōpáō, “to be silent”).
Etymology from Wiktionary, CC BY-SA 3.0