In common with many Cyrillic letters, it was derived from a digraph, being a ligature of Izhe (then І) or Izhei (then Н, both now И) and Uk (Ѹ, no longer in the alphabet).
Yu (Ю, ю) is a letter of the Cyrillic alphabet, representing either the combination /ju/ (a so-called iotated vowel) or /u/ after a palatalized consonant.
Apart from the form I-O, in early Slavonic manuscripts the letter appears also in a mirrored form O-I.
At the time the Greek alphabet was adapted to the Slavonic language (giving rise to the Cyrillic alphabet), this was pronounced as a Close front rounded vowel
Yu (Xia dynasty ruler), the founder of the Xia dynasty
Yu (percussion instrument), an ancient Chinese musical instrument in a shape of a tiger with a serrated back, played by running a stick through the serration, used to mark section endings
This page disambiguates a two-character combination which might be any or all of: an abbreviation, an acronym, an initialism, a word in English, or a word in another language.