[rudd] n [prob. fr. rud redness, red ocher, fr. ME rude, fr. OE rudu--more at ruddy] (1526): a freshwater European cyprinid fish (Scardinius erythrophthalmus) resembling the roach
RUDD
Meaning of RUDD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012