卡尺
kǎ​chǐ

calipers

卡 kǎ stuck

Origin unclear, but typically explained as being stuck between something above (上) and something below (下). The uses of 卡 to mean "card" or "calorie" are foreign phonetic loans.

Components

上
上 Iconic component
shàng, shang up
下
下 Iconic component
xià, xia under

Component uses

Sound (0 of 3 verified)

咔胩佧

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode

尺 chǐ traditional Chinese unit of length ~ 1 foot

Origin unclear. Possibly a pictograph of a side view of a person with a mark on their leg indicating the length of one foot.

Character Evolution

Bronze form
Bronze Late Warring States ~250 BC
Seal form
Seal Xin 9-23 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Regular Modern

Component uses

Sound (1 of 3 verified)

迟呎鈬

Simplified (1)

昼

Meaning (0 of 1 verified)

咫

Unknown (0 of 1 verified)

庹

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagarttsyhektʰAk foot (measure)

說文解字

《說文》：“尺，十寸也。人手卻十分動脈為寸口。十寸為尺。尺，所以指尺榘事也。从尸，从乙，乙所識也。周制寸、尺、咫、尋、常、仞諸度量，皆以人之體為法。”

Sources

Character origin
漢語多功能字庫古今文字集成
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)