WHOLE CHARACTER
称
to weigh (称量); to call; to name (称呼, 自称); to praise (称赞); to state (声称)
称 chēng weighs and names; chèn fits just right; chèng is the old scale.
The header says the formation was originally 形声; the traditional 稱 used 爯 (a steelyard lift) on the right, reduced in the simplified form — no sound rule is taught.