公元前 (gōng yuán qián) — before the common era (B.C.)

Definition

A bound term meaning 'before the Common Era' (B.C.) — pairs with a number and a year unit like 年 or 世纪. Use it (not 公元后) when referring to dates earlier than year 1.

noun
before the common era (B.C.)

Examples

  • 公元前300
    Zhè ge shì jiàn fā shēng zài gōng yuán qián 300 nián.
    This event happened in 300 BC.
  • 公元前5
    gōng yuán qián 5 Shì jì, gǔ xī là wén míng dá dào dǐng fēng.
    In the 5th century BC, ancient Greek civilization reached its peak.
  • 公元前221
    Qín shǐ huáng tǒng yī zhōng guó shì zài gōng yuán qián 221 nián.
    Qin Shi Huang unified China in 221 BC.

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.

公元common era
偏正Modifier + head
qiánbefore

公元前 marks the time before 公元, the common era.

Characters in this word

A drawing of the thing itself, worn down over three thousand years into a few strokes.

One theory sees 公 as a picture of a wide-mouthed, round-bottomed jar.

Open 公 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The shape 元 shows a figure with two lines for a head, one connected to the body and one above it, emphasizing the head.

Open 元 →

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

In the older form of 前, 止 (foot) and 舟 (boat) showed a foot on a boat moving forward; in the current 前 those parts are shortened.

Open 前 →

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