(āi) — (bound form) dust; fine earth

Definition

埃 (āi) is a bound form meaning 'dust' — it never stands alone, only appearing in set compounds like 尘埃 (chén'āi). Think of it as the written half of 'dust'; everyday speech uses 灰尘 instead.

bound form
dustfine earth

Examples

  • Dǎ sǎo fáng jiān shí, wǒ qīng lǐ le hěn duō chén āi.
    When cleaning the room, I cleaned up a lot of dust.
  • Kē xué jiā tōng guò yán jiū gǔ tǎ zhōng de chén āi liǎo jiě lì shǐ.
    Scientists study dust in ancient towers to understand history.
  • Fēng chuī guò hòu, zhuō miàn shàng yòu luò le yī céng báo báo de chén āi.
    After the wind blew, a thin layer of dust fell on the table.

Origin

Sound + meaning
六书liùshū
形声xíngshēng

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
earth; soil
Sound part声符shēngfú
āi
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The 土 side of 埃 relates to earth or soil, while 矣 gives the sound.

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