12 letters · 15 points in Scrabble
noun any of various parasites that live in the internal organs of animals (especially intestinal worms)
originEtymology tree Proto-Indo-European *h₁n̥dóm Proto-Hellenic *éndon Ancient Greek ἔνδον (éndon)der. English endo- English parasite English endoparasite From endo- + parasite.
Etymology from Wiktionary, CC BY-SA 3.0