シャ, い.る, さ.す, う.つ
shoot, shine into, onto, archery
JLPT1 G6 S10 F937
The relevant oracle bone form of this character shows an arrow affixed to a bowstring. A bronzeware inscription form adds a hand, while a seal inscription form displays the elements 寸 hand/action indicator and a bow and arrow → shoot off an arrow → *shoot*; *fire*; *let fly*. In the modern form of the character, the bow and arrow elements have fused into 身.
[Full Kanji Etymology List]