lexicology

noun

lex·​i·​col·​o·​gy ˌlek-sə-ˈkä-lə-jē 

: a branch of linguistics concerned with the signification and application of words

lexicological

ˌlek-sə-kō-ˈlä-ji-kəl 

-kə-ˈlä-

adjective

lexicologist

ˌlek-sə-ˈkä-lə-jist 

noun

Word History

Etymology

French lexicologie, from lexico- (from Late Greek lexiko-, from lexikon) + -logie -logy

First Known Use

circa 1828, in the meaning defined above