It's a [j] with an upside-down circumflex over it instead of a dot. "j-wedge." Can't produce it here. :-) (There are also those who consider it a combination of [d] and "z-wedge," and put them both in the same set of brackets, or a combination of a g with an acute accent and z-wedge, and put them both in the same set of brackets. I was previously taught that it's one sound, represented by j-wedge, but my current professor insists it's actually two. And he keeps saying we'll come back to it. So in another few weeks, I might have some more things to say about this -- and also c-wedge, which can also be transcribed with [t] and s-wedge or k-acute and s-wedge, and which is the sound that begins the word "chill.")

:-D