onomastic

 
Pronunciation: /ɒnəˈmastɪk/

adjective

  • relating to the study of the history and origin of proper names.

Origin:

late 16th century (as a noun in the sense 'alphabetical list of proper nouns', later also 'lexicographer'): from Greek onomastikos, from onoma 'name'. The adjective dates from the early 18th century