对等 (duì děng) — reciprocity, equity

Definition

A formal term for 'reciprocity / equity' — used in diplomacy, treaties, and institutional contexts to mean both sides hold equal status or give equally. Pairs with abstract nouns like 关系, 原则, 地位, not everyday situations.

noun
reciprocityequity

Examples

  • 对等。
    Liǎng guó jiàn lì le duì děng guān xì.
    The two countries established a reciprocal relationship.
  • 对等。
    Zhè ge xié yì tǐ xiàn le duì děng yuán zé.
    This agreement embodies the principle of equity.
  • 对等。
    Wǒ men yīng gāi zài duì děng de jī chǔ shàng jìn xíng hé zuò.
    We should cooperate on the basis of reciprocity.

Origin

Compound word
构词法gòucífǎ
联合liánhéSide by side

Two parts of equal weight, alike or opposite in meaning, standing side by side.

对duìpair/opposite
等děngequal

对 (pair/opposite) and 等 (equal) build the idea of equality between two sides.

Characters in this word

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

This origin belongs to the traditional form 對; 对 is its simplified writing.

For the traditional form 對, the shape comes from an early drawing of 丵 (a digging tool), 土 (earth), and 又 (a hand); it may have meant developing land.

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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
竹竹zhúbamboo
Sound part声符shēngfú
寺
寺sì等děng
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The top 竹 shows bamboo strips used for writing and sorting; the bottom 寺 once gave the sound, but now sounds different.

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