與
ヨ, あた.える, あずか.る, くみ.する, ともに

participate in, give, award, impart, provide, cause

JLPT0 G13 S0 F5000

The relevant bronzeware inscription form shows two objects meshing, to which a seal inscription form adds two pairs of hands → raise an object in unison (compare 擎) → *work jointly*; *participate*. *Give* and *grant* are borrowed meanings.

[Full Kanji Etymology List]