onomastic

adjective

on·​o·​mas·​tic ˌä-nə-ˈma-stik 

: of, relating to, or consisting of a name or names

onomastically

ˌä-nə-ˈma-sti-k(ə-)lē 

adverb

Word History

Etymology

Greek onomastikos, from onomazein to name, from onoma name — more at name

First Known Use

1716, in the meaning defined above