from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix Speech; discourse: travelogue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix Used to denote discourse of a specified kind.
- suffix Used to denote compilement.
- suffix -logist.
French, from Greek -logos, from legein, to speak; see leg- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French -logue, from Ancient Greek -λόγος (-logos, "one who speaks (in a certain manner)"). (Wiktionary)