type of bird, 1560s, from red (adj.1) + start "tail," from Old English steort "tail, rump," from Proto-Germanic *stertaz, from PIE *sterd-, extended form of root *ster- (1) "stiff." Similar formation in German Rotsterz.
redox
redress
redressal
redshirt
redskin
redstart
red-streak
redtail
reduce
reducible
reductio ad absurdum
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