名詞 onomastics:

1. the branch of lexicology that studies the forms and origins of proper names

on.o.mas.tics

n.(used with a sing. or pl. verb)（名詞）（與單數(shù)或復(fù)數(shù)動(dòng)詞連用）

The study of the origins and forms of proper names.
專有名詞：關(guān)于專門名字的來源和形式的研究
The study of the origins and forms of terms used in specialized fields.
專有術(shù)語(yǔ)研究：對(duì)于特殊領(lǐng)域中術(shù)語(yǔ)的來源和形式的研究
The system that underlies the formation and use of proper names or terms used in specialized fields.
專有術(shù)語(yǔ)體系：專有名詞或特殊領(lǐng)域術(shù)語(yǔ)的構(gòu)成和用法的基本體系