פירוש על בבא בתרא 56:10

Three moons - That uprooted at the end of every month and planted another.

Who (are those that) went (to) Usha? - That said Rabbi Yochanan above for this subject in their name.

Rabbi Yishamel - Not Explained to me from where, rather so (they) learned that he was in the same time (as those in Usha).