An Etymological Dictionary of Astronomy and Astrophysics

1. The system of terms belonging to a particular science, art, specialized subject, or social group. Terminology is the way of naming concepts, which generally precede the corresponding terms. See also → lexicology.
   

2. The theory or science dealing with the relations between → terms and → concepts.

Etymology (EN): A hybrid word coined first in Fr., before 1764, by Yves Marie André (1675-1764), a Jesuit mathematician and philosopher, from termin, from L. terminus, → term, + epenthetic vowel -o- + Gk. -logia, → -logy. Recoined or borrowed in Ger. Terminologie in 1786, by C.G. Schütz of Jena; first appeared in E. in 1801.

Etymology (PE): From tarm, → term, + -šenâsi, → -logy.