モウ, たけ, たけし, たける

fierce, rave, rush, become furious, wildness, strength

JLPT1 G7 S11 F1301

As per # (energetic → frenetic) + dog/beast → frenetic activity of a dog/beast (compare and ) → *fierce*; *strong*; *fly into a rage*.

[Full Kanji Etymology List]