onomastic
/ˌɒnəʊˈmæstɪk/adjective
- of or relating to the study of the history and origin of proper names（研究专有名称的历史和起源的）专名学的。
词源
late 16th cent. （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 cent.