備
ビ, そな.える, そな.わる, つぶさ.に, びっ, びん
equip, provision, preparation
JLPT3 G5 S12 F356
The relevant bronzeware inscription form of the right-hand element# is a depiction of arrows spread through a quiver; compare 箙. 備 adds 人 person (→ human agency) → *equip/ready* a soldier → *prepare*; *provide*; *possess*.
[Full Kanji Etymology List]