Jerusalem Talmud Pesachim
225Yoma 2b, Zevaḥim 104b. Rebbi Joḥanan said, a tower was standing on the Temple Mount which was called “citadel”. Rebbi Simeon ben Laqish said, the entire Temple Mount was called citadel, to do everything and to build the citadel which I prepared2261Chr. 28:19..