咿 (yī) — (onomatopoeia) used to represent creaking, babbling, or squeaking sounds, often in the form 咿呀 or 咿咿呀呀

Definition

An onomatopoeia for small, repeated sounds like creaking doors or a baby babbling. It is a bound form — it almost always appears paired with 呀 (咿呀, 咿咿呀呀), not on its own.

onomatopoeia
used to represent creaking, babbling, or squeaking sounds, often in the form 咿呀 or 咿咿呀呀

Examples

  • ,。
    Mén yī yā dì xiǎng le yī shēng, rán hòu kāi le.
    The door creaked and then opened.
  • 。
    Chuāng wài chuán lái hái zi yī yā de xué yǔ shēng.
    From outside the window came the babbling sound of a child learning to speak.
  • ,。
    Hái zi hái xiǎo, zhī huì yī yā dì xué shuō huà.
    The child is still young and can only babble.

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
口口kǒumouth
Sound part声符shēngfú
伊
Same sound today

咿 pairs 口, a mouth, with 伊 as a sound part.

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