rybu
Rybu is the transliteration of the Cyrillic Russian word рыбу, which is the accusative singular form of рыба meaning “fish.” In Russian, рыбу is used as the direct object of a verb, as in Я ем рыбу (I am eating fish) or Мы нашли рыбу (We found fish). The form appears in a wide range of everyday and literary contexts whenever the sentence requires the object “fish.”
Grammar and etymology: рыба is a feminine noun, and its accusative singular ending shifts from -а to -у, producing
Usage notes: In English-language texts discussing Russian grammar or providing transliteration examples, rybu may be encountered