onomastics

[ on-uh-mas-tiks ]
/ ˌɒn əˈmæs tɪks /

noun (used with a singular verb)

the study of the origin, history, and use of proper names.

Origin of onomastics

First recorded in 1930–35; see origin at onomastic, -ics

OTHER WORDS FROM onomastics

on·o·mas·ti·cian [on-uh-muh-stish-uh n] /ˌɒn ə məˈstɪʃ ən/, noun

British Dictionary definitions for onomastician

onomastics
/ (ˌɒnəˈmæstɪks) /

noun

(functioning as singular) the study of proper names, esp of their origins
(functioning as singular or plural) a systematization of the facts about how proper names are formed in a given language