動
ドウ, うご.く, うご.かす, るぎ
move, motion, change, confusion, shift, shake
JLPT4 G3 S11 F73
As per 重# (run through) + 力 power/energy → strenuous *work* involving the running through of objects (compare 用 and 同) → *movement* → *go/put into action*, *shift*; *transfer*; *change*; *operate* (a machine); *run* (a machine/an enterprise); *developments*; *activities*.
[Full Kanji Etymology List]