枢轴

Traditional form:

樞軸

Pinyin (reading):

shūzhóu

Definitions:

• pivot; fulcrum

Characters:

• 枢 - door hinge; pivot; center of power
• 轴 - axle, pivot, shaft; axis

Traditional characters:

• 樞 - door hinge; pivot; center of power
• 軸 - axle, pivot, shaft; axis