In the first
ri'shown (ree-shone')
first, in place, time or rank (as adjective or noun) -- ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
chariot
merkabah (mer-kaw-baw')
a chariot -- chariot.
were red
'adom (aw-dome')
rosy -- red, ruddy.
horses
cuwc (soos)
from an unused root meaning to skip (properly, for joy); a horse (as leaping); also a swallow (from its rapid flight) -- crane, horse(-back, -hoof).
and in the second
sheniy (shay-nee')
double, i.e. second; also adverbially, again -- again, either (of them), (an-)other, second (time).
chariot
merkabah (mer-kaw-baw')
a chariot -- chariot.
black
shachor (shaw-khore')
dusky, but also (absol.) jetty -- black.
horses
cuwc (soos)
from an unused root meaning to skip (properly, for joy); a horse (as leaping); also a swallow (from its rapid flight) -- crane, horse(-back, -hoof).