-logy. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

–logy

VARIANT FORMS:	or –ology
SUFFIX:	1. Discourse; expression: phraseology. 2. Science; theory; study: dermatology; sexology.
ETYMOLOGY:	Middle English -logie, from Old French, from Latin -logia, from Greek -logi (from logos, word, speech; see leg- in Appendix I) and from -logos, one who deals with (from legein, to speak; see leg- in Appendix I).


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.