I think it is the eo diphthong after the X. Even if you pronounce the X as a hard chs there is a prominent zee sound as you move into the vowels. At least that's what happens when this West Texan girl pronounces Xeog. Of course those of us from West Texas can barely speak English and our Spanish is, well, horrid.
Had a history professor many many years ago whose wife taught high school French & he said his wife had come to the conclusion that there was no greater punishment in Hell than trying to teach French to Texans.
Amado mio, love me forever and let forever begin tonight.