from The American Heritage® Dictionary of the English Language, 4th Edition
- Variant of entero-.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Used to form compound words with the sense of "mutually", "between", or as an early variant of "inter-".
from the GNU version of the Collaborative International Dictionary of English
- A prefix signifying between, among, part.
From French entre, from Latin inter. (Wiktionary)