Two pupils heard from the same shaykh. One died in 470 AH and the other in 545 AH. What is the latter called?

Peer and Reciprocal Narration, Senior-to-Junior Reports, and Earlier/Later Pupils

• Sābiq (the earlier-deceased pupil)
• Mudabbaj (mutual narration between peers)
• Lāḥiq (the later-deceased pupil)
• Transmission of seniors from juniors