- a combining form used in the names of sciences or bodies of knowledge: paleontology; theology.
- a termination of nouns referring to writing, discourses, collections, etc.: trilogy; martyrology.
Origin of -logy
- indicating the science or study ofmusicology
- indicating writing, discourse, or body of writingstrilogy; phraseology; martyrology
Word Origin for -logy
Word Origin and History for -logy
word-forming element meaning "a speaking, discourse, treatise, doctrine, theory, science," from Greek -logia (often via French -logie or Medieval Latin -logia), from root of legein "to speak;" thus, "the character or deportment of one who speaks or treats of (a certain subject);" see lecture (n.).
- Science; theory; study:dermatology.