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-logy

-logy repr. F. -logie, medL. -logia, Gr. -logíā, which is partly f. lógos discourse, speech, partly f. log-, var. of leg-, légein speak; hence derivs. in -logia mean either
1.. saying or speaking in such-and-such a way, as eulogy, tautology, or

2.. the science or study with which a person (designated by -logos -LOGIST, -LOGER, etc.) is concerned, or that deals with a certain subject. Of the latter class, the first el. is a sb. and in combination ends in o, so that the regular form of such words is in -ology; an exception is MINERALOGY. Mod. formations in logy imply correl. formations in -logical, formerly also, now rarely, -logic (F. -logique, L. -logicus, Gr. -logikós), and -logist (see prec.).

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"-logy." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"-logy." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/logy

"-logy." The Concise Oxford Dictionary of English Etymology. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/logy

-logy

-logy (-ology) combining form denoting field of study.

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"-logy." A Dictionary of Nursing. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"-logy." A Dictionary of Nursing. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/logy

"-logy." A Dictionary of Nursing. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/logy