8 letters · 12 points in Scrabble
noun undifferentiated tissue from which new cells are formed, as at the tip of a stem or root
originFrom German Meristem, from Ancient Greek μεριστός (meristós, “divided”), from μερίζω (merízō), from μέρος (méros) + στέμμα (stémma, “wreath, garland”). First used in 1858 by Swiss botanist Carl Wilhelm von Nägeli (1817–1891).
Etymology from Wiktionary, CC BY-SA 3.0