Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • Inside; within: endometrium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • end- + -o-

from the GNU version of the Collaborative International Dictionary of English

  • A combining form signifying within.

from The Century Dictionary and Cyclopedia

  • A prefix in words of Greek origin, signifying ‘within,’ ‘inside’: equivalent to ento-: opposed to ecto- or exo-, and in some cases to apo-, epi-, and peri-.

Etymologies

Greek, from endon, within; see en in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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