肺
ハイ
lungs
JLPT1 G6 S9 F1387
The relevant seal inscription form of the right-hand element#, which in contemporary fonts can be identical in form with 市, combines 八 split right and left + a bud → buds split right and left. 肺 adds 肉 flesh → *lung* (← internal organ found on both sides of the chest).
[Full Kanji Etymology List]