孫
ソン, まご, ひ
grandchild, descendants
JLPT2 G4 S10 F1388
The relevant oracle bone form of this character combines 子 child and 幺 here an abbreviated form# of the middle element described in 胤 (posterity) → *descendants* manifesting a family's lineage (compare 存) → *grandchild* (← child/children of one's child). A bronzeware inscription form replaces 幺 with 糸 thread, while a seal inscription form further refines the character by replacing 糸 with 系 connection, emphasizing familial continuity.
[Full Kanji Etymology List]