胤
イン, たね, つぎ, つぐ, かず
descendent, issue, offspring
JLPT1 G13 S0 F5000
The element in the middle combines 幺 slender thread + 肉 flesh → *posterity* (physical and figurative thread of lineage). 胤 adds 儿 person for emphasis/clarification → *lineage*; *descendant* → *inherit*.
[Full Kanji Etymology List]