J-circumflex
"Ĵ", or "ĵ", is a consonant and letter in the Esperanto alphabet. Since each letter in Esperanto has a consistent sound, this letter is always pronounced the same; its sound is represented by [Z] in SAMPA and [ʒ] in IPA.
See also: Esperanto orthography, Ĉ, Ĝ, Ĥ, Ŝ, Ŭ