- the study of the origin, form, meaning, and use of names, esp. proper names
- a pattern or system serving as a basis for the formation and use of names and terms within a field or category
noun(used with a sing. or pl. verb)
- a. The study of the origins and forms of proper names.b. The study of the origins and forms of terms used in specialized fields.
- The system that underlies the formation and use of proper names or terms used in specialized fields.
1936, preceded by adjective onomastic (â€œof or belonging to namingâ€) (1716), from French onomastique, from Ancient Greek á½€Î½Î¿Î¼Î±ÏƒÏ„Î¹ÎºÏŒÏ‚ (onomastikos), from á½€Î½Î¿Î¼Î±ÏƒÏ„ÏŒÏ‚ (onomastos, â€œnamedâ€), form of á½€Î½Î¿Î¼Î¬Î¶Ï‰ (onomazÅ, â€œI nameâ€), from á½„Î½Î¿Î¼Î± (onoma, â€œnameâ€), from Proto-Indo-European *hâ‚ƒnhâ‚ƒmnÌ¥ (â€œnameâ€) (English name).