11 letters · 13 points in Scrabble
noun small wingless insect with a long bristlelike tail
originCalque of translingual Thysanura, as Ancient Greek θύσανος (thúsanos, “bristle”) + Ancient Greek οὐρᾱ́ (ourā́, “tail”). By surface analysis, bristle + tail.
Etymology from Wiktionary, CC BY-SA 3.0