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Etymology data from Wiktionary via Wiktextract (CC BY-SA 4.0). Chinese character data from the 說文解字, the Taiwan MOE 國語辭典簡編本 (CC BY-ND 3.0 TW) and HSK/TOCFL lists.

Explanations are written by a local model (gemma4) and only published after a verification pass against the cited sources. How it works.

Chinese

周

zhōu
to circle; to encircle
  • Pictogram
  • HSK 2
  • TOCFL 6
  • radical 口
  • 8 strokes

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Origin

Oracle bone script: Pictogram (象形): a jade artifact with carved patterns. Original form of 彫 (OC *tɯːw, “to carve”). The character was later borrowed as a country name and 口 was added as a distinguishing mark. A semi-conservative version in which the carvings are visible is 𠕛. The top part of the character gradually became similar to 用 in the late Western Zhou period. See also 黃, which could have a reference to a jade artifact.

Folk etymology interprets the seal script form as 口 (“mouth”) + 用 (“to use”), indicating the idea of using words skillfully to express oneself, thereby implying the meaning of being meticulous or detailed.

;to encircle, to circle, to surround, everywhere, curve (in the road)

;to help

:Alternatively, note Khmer ជួយ (cuəy, “to help, assist; to support; to rescue, save”) (ibid.). Even so, also note Thai ช่วย (chûai), which in turn is from Middle Chinese 助 (MC dzrjoH)); if Khmer ជួយ (cuəy) and Thai ช่วย (chûai) were related, then Khmer ជួយ (cuəy) cannot be related to Old Chinese 周 (OC *tjɯw).

;dynasty's name

:A 周方白 (Zhōufāng bó, “Elder of Zhou region”), likely King Wen of Zhou, was mentioned in Oracle Bone Inscriptions H11:82 and H11:84 (Lin, 1995)

:Hargett (2021) states that 商 (Shāng) and 周 (Zhōu) derived from names of "places that the rulers and people of those eras regarded as their homeland or cultic centers"; the 周方 (Zhōufāng, “Zhou region”) was among "areas or regions along the frontier borders of Shang, traditionally regarded as enemy territory".

From Wiktionary, CC BY-SA 4.0.

Lineage

Related: Khmer ជួយ, Thai ช่วย

Words built on it: 周末, 實, 調, 周年

Meanings

character
  1. to circle; to encircle
  2. circle; circumference
  3. whole
  4. to extend everywhere
  5. thorough; complete; comprehensive
  6. side; periphery

Shuowen Jiezi 說文解字

周:密也。从用、口。

Xu Shen, c. 100 CE — the first analytical dictionary of Chinese characters.

國語辭典 definitions

  1. 完密、嚴謹。 例:周密、周全、周詳
  2. 區域的外圍環繞部分。 例:周圍、四周、圓周
  3. 環繞。 例:周而復始
  4. 普遍、全部、都。 例:周身、眾所周知
  5. 救濟、援助。 例:周急、周濟       
  6. 量詞。計算環繞次數的單位。 例:環島一周、繞場兩周

© Ministry of Education, Taiwan — CC BY-ND 3.0 TW, shown unaltered.

How 周 was written 字形演變

  1. 周 in Oracle bone script
    Oracle bone
    甲骨文
    Shang, c. 1250–1050 BCE
  2. 周 in Bronze script
    Bronze
    金文
    Shang–Zhou
  3. 周 in Chu slips & silk script
    Chu slips & silk
    楚系簡帛
    Warring States
  4. 周 in Small seal script
    Small seal
    說文小篆
    Shuowen, c. 100 CE
  5. 周 in Regular script
    Regular
    楷書
    since c. 200 CE

Historical forms collected by the legacy etymfun dataset; most characters have several attested variants.

Sources

  • Historical glyph forms (zdic.net 字形演变) — Rights unverified
  • HSK / TOCFL word lists — Facts (levels)
  • 教育部《國語辭典簡編本》 (Taiwan MOE) — CC BY-ND 3.0 TW
  • 說文解字 Shuowen Jiezi (Xu Shen, c. 100 CE) — Public domain
  • Written form — n/a
  • Wiktionary (via Wiktextract / kaikki.org) — CC BY-SA 4.0
  • Wiktionary: 周