passim definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
here and there; in various parts (of a book, etc.)
Origin: Classical Latin
passim definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Throughout or frequently; here and there. Used in textual annotation to indicate that something, such as a word or passage, occurs frequently in the work cited.
Origin: Latin, from passus, past participle of pandere, to scatter, spread out; see petə- in Indo-European roots.