An Etymological Dictionary of Astronomy and Astrophysics

1. Fastened, attached, or placed so as to be firm and not readily movable; firmly implanted; stationary; rigid.
   

2. Rendered stable or permanent, as color.
   

3. Set or intent upon something; steadily directed (Dictionary.com).

Etymology (EN): Past participle from → fix.

Etymology (PE): Barjâ “fixed; in place; properly placed,” from bar “on, upon, up,” → object,

• jâ, → place,