8 letters · 13 points in Scrabble
noun the exterior covering of a bird's egg
originFrom Middle English eggeshell, ege schelle, egg-shel, egg shelle (also as Middle English eye schell, ey-schel, ey-schelle), partially continuing Old English ǣġsċill, ǣġsċyll (“eggshell”), equivalent to egg + shell. Cognate with Saterland Frisian Oaierskil (“eggshell”), Dutch eierschaal (“eggshell”), German Eierschale (“eggshell”), Danish æggeskal (“eggshell”), Swedish äggskal (“eggshell”).
Etymology from Wiktionary, CC BY-SA 3.0