8 letters · 10 points in Scrabble
origin] Borrowed from New Latin Nauplius (former genus name) (coined by Danish naturalist Otto Friedrich Müller (1730–1784) who mistakenly thought the larvae were a separate genus of animal), from Latin nauplius (“argonaut, paper nautilus (genus Argonauta)”), from Ancient Greek ναύπλιος (naúplios, “type of shellfish”), from ναῦς (naûs, “ship”) + πλέω (pléō, “to sail”); compare Latin Nauplius…
Etymology from Wiktionary, CC BY-SA 3.0