the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years
Word origin
from Arabic ākhīr al-nahr, literally: end of the river, alluding to the star's location in the constellation
Achernar in American English
(ˈeɪkərˌnɑr)
noun
the brightest star in the constellation Eridanus: magnitude, 0.5
Word origin
Ar ʾakhīr nahr < ʾakhīr, the end, final + nahr, river: the Ar name of the constellation itself is nahr ʾurdunn, lit., river Jordan