■ radical

jì

to calculate

How it’s built

Simplified form of 計. Phonosemantic compound. 言 represents the meaning and 十 represents the sound.

meaning

speech — 讠 is a component form of 言.

sound

ten — The pronunciation of 計 was similar to 十 in old Chinese, but they no longer sound similar in modern Mandarin due to historical phonetic changes.