伺隙
sì​xì

await opportunity

伺 cì serve

Phonosemantic compound. 亻 represents the meaning and 司 represents the sound.

Components

亻
亻 Meaning component
rén person

亻 is a component form of 人.

司
司 Sound component
sī take charge of

Character Evolution

Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld Chinese
Zhengzhangslɯ
slɯs
Unicodesiə̀

說文解字

𠊱望也。从人司聲。自低已下六字，从人，皆後人所加。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)

隙 xì crack

A crack 日 dividing two things 小; 阝 provides the pronunciation

Components

阝
阝 Sound component
fù hill, place
小
小 Meaning component
xiǎo small
日
日 Meaning component
rì sun
小
小 Meaning component
xiǎo small

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartkhjæk[k]ʰrakcrack (n.)
Zhengzhangkʰraɡ
Unicodekiæk

說文解字

壁際孔也。从𨸏从𡭴，𡭴亦聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)