An Etymological Dictionary of Astronomy and Astrophysics

1. A unit of → pressure, not belonging to the → International System (SI), equivalent to 10⁶→ dynes per cm² and 0.987 → atmospheres.
   

2. → stellar bar, → galactic bar, → barred spiral galaxy.

Etymology (EN): 1) From Gk. baros “weight,” cf. Skt guru, L. gravis; PIE *gwere- “heavy;” cf. Pers. bâr “weight,” gerân “heavy,” L. brutus “heavy, dull, stupid, brutish,” Skt. bhara- “burden, load,” bharati “he carries;” PIE *bher- “carry, give birth.”

2. From O.Fr. barre, from V.L. *barra “bar, barrier,” or perhaps from Gaulish *barro “summit.”

Etymology (PE): 1) Loan from Fr., as above.

2. Mile, from Ar. mil “any long and narrow piece of metal,” + -é noun suffix.