() — (preposition) at, in, on (used in formal/literary contexts for time or place); (preposition) with regard to, toward, for (indicating a relationship or target); (preposition) than (used after adjectives in comparisons)

Definition

于 is a formal/literary preposition covering 'at/in' (place or time), 'for/toward' (relationship), and 'than' (comparisons). For everyday speech prefer 在 for location/time, 关于 or 对于 for 'about/regarding'.

preposition
atinon (used in formal/literary contexts for time or place)with regard totowardfor (indicating a relationship or target)than (used after adjectives in comparisons)

Examples

  • Huì yì jiāng yú xià zhōu jǔ xíng.
    The meeting will be held next week.
  • Tā de néng lì gāo yú cháng rén.
    His ability is higher than ordinary people.
  • Zhè yú wǒ men yǒu hěn dà hǎo chù.
    This has great benefits for us.

Origin

Compound ideograph
六书liùshū
会意huìyì

Two or more meaningful parts placed together so that their meanings combine into a new one.

  • flat stream of air
  • kǎoto exhale

The old shape of 于 may have pictured an ancient wind instrument. Another explanation reads 一 as a flat stream of air and 丂 as an exhaling mark.

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