6. called—that is, recalled: the prophetic past for the future.
forsaken—that had been forsaken.
when thou—or, "when she was rejected"; one who had been a wife of youth (Eze 16:8, 22, 60; Jer 2:2) at the time when (thou, or) she was rejected for infidelity [Maurer]. "A wife of youth but afterwards rejected" [Lowth].