Yu with Grave (Ю̀ ю̀; italics: Ю̀ ю̀) is a letter of the Cyrillic script. This character is used to depict a grave accent in the letter Ю (Yu), becoming Ю̀ (Yù).[1]
Usage
Usually not written out with the grave accent marker, but mostly written as such in Dictionaries and other such texts to show the grammatical or phonetic pronunciation of the word.