from The American Heritage® Dictionary of the English Language, 4th Edition
- Upward; up: anabolism.
- Backward; back: anaplasia.
- Again; anew: anaphylaxis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
from the GNU version of the Collaborative International Dictionary of English
- A prefix in words from the Greek, denoting up, upward, throughout, backward, back, again, anew.
Greek, from ana, up; see an- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek prefix ἀνα- (ana-), from ἀνά (ana, "on, up, above, throughout") (Wiktionary)