استعلمهُ
He asked, or desired, him to tell him [a thing; or to make it known to him]. (MA, KL. *) You say,
اِسْتَعْلَمَنِى الخَبَرَ فَأَعْلَمْتُهُ
إِيَّاهُ [He asked, or desired, me to tell him, or make known to him, the news, or piece of information, and I told him it, or made it known to him]. (S.)