Ento-
Pronunciation : En"to-.
Etymology : [Gr. In.]
Definition : Defn: A combining form signifying within; as, entoblast.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder