油污 (yóu wū) — greasy dirt, oily grime

Definition

noun
greasy dirtoily grime

Examples

  • 油污
    Chú fáng lǐ de yóu wū hěn nán qīng xǐ.
    The greasy dirt in the kitchen is hard to clean.
  • 油污
    Tā yòng qīng jié jì qù chú yī fu shàng de yóu wū.
    He used detergent to remove the oily stains from his clothes.
  • 油污
    Jī qì shàng jī le hòu hòu yī céng yóu wū.
    A thick layer of oily grime has built up on the machine.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

油 gives the oily quality and 污 the dirt, forming oily grime.

Characters in this word

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
Written in full asshuǐwater
Sound part声符shēngfú
yóuyóu
Same sound today

油 is built from 氵, a water part, and 由, which supplies the sound.

Open 油 →

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

This origin belongs to the traditional form 汙; 污 is its simplified writing.

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

The traditional form 汙 pairs 水 (water) with 于 for the sound; the simplified 污 is a later shorthand.

Open 污 →

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