(): base, foundation

() is a Chinese character meaning “base, foundation.” Classified as HSK Level 4 (HSK 3.0 Standard, CLEC 2022), it is composed of (phonetic) and (semantic). It ranks #280 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, earth. Its radical form (earth) appears in many related characters such as (zài, to exist), (, earth, ground), (chǎng, field, place).

Native pronunciation

Definitions

  1. base, foundation

Etymology & Origin

pictophoneticearth

Decomposition: ⿱其土 (layout: top-bottom)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11

Practice writing with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

HSK Vocabulary with

WordPinyinMeaningHSK
jī běnbasic4
nounjī dìbase (of operations, industrial, military, research etc)6
nounjī yīngene (loanword)6
nounjī jīnfund6
nounjī chǔbase4
adverbjī běn shangbasically4

Common Compounds

WordPinyinMeaning
jī dūChrist (abbr. for 基利斯督[Ji1 li4 si1 du1] or 基利士督[Ji1 li4 shi4 du1])
jī yúbecause of
bǐ jī níbikini (loanword)
dì jīfoundations (of a building)
yáng jī(loanword) Yankee (esp. the New York Yankees baseball team)
jī shífoundation stone
jiǎ jīmethyl group (chemistry)
luò jīLoki, god of fire and mischievous destroyer in Norse mythology
jī fǔKyiv or Kiev, capital of Ukraine
jī diàomain key (of a musical composition)
gēn jīfoundation
线jī xiànbaseline (surveying, budgeting, typography etc)
ān jīamino
jī céngbasic level
dēng jīto ascend the throne
100
Total compounds
57
As first character
36
As last character
7
As middle character

appears in 100 compound words: 57 as the first character, 36 as the last, and 7 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

chǔ
0.734272,881 co-occurrences
fēng
0.674382,482 co-occurrences
0.618312,732 co-occurrences
diàn
0.58253,763 co-occurrences
běn
0.499513,156 co-occurrences
0.499433,938 co-occurrences
jīn
0.497306,582 co-occurrences
tǎn
0.49093,060 co-occurrences
0.475403,200 co-occurrences
lóng
0.47285,844 co-occurrences

Idioms & Chengyu (22)

ÀisījīmóHSK 7+

Eskimo

BājīsītǎnHSK 7+

Pakistan (a country in South Asia)

gòngtóng jījīnHSK 4+

mutual fund

noun
Hè'ěrxīnjīHSK 7+

Helsinki (a city, the capital city of Finland)

jī běn cí huìHSK 5+

basic word

phrase
jīběn lìzǐHSK 6+

elementary particle

noun
jīchǔ jiàoyùHSK 4+

basic education

noun
jīchǔ shèshīHSK 5+

infrastructure

noun
Jīdì ZǔzhīHSK 5+

al-Qaeda

JīdūxīnjiàoHSK 6+

Protestantism (Protestant Christian denomination)

jīluómǐtūHSK 7+

kilometre (unit of length)

jīyīn gōngchéngHSK 4+

genetic engineering

noun

Showing 12 of 22 idioms containing .

Example Sentences

AI-Generated

学习语言需要打好础,从最本的语法和词汇开始。

Xuéxí yǔyán xūyào dǎ hǎo jīchǔ, cóng zuì jīběn de yǔfǎ hé cíhuì kāishǐ.

Learning a language requires laying a good foundation, starting with the most basic grammar and vocabulary.

百度新闻Feb 2026

(新春走层)从塔里木河到钱塘江:一颗“石榴籽”的...

xīn chūn zǒu jī céng cóng tǎ lǐ mù hé dào qián táng jiāng yī kē shí 榴 籽 de . . .

(From Tarim River to Qiantang River: A "Pomegranate Seed" of...

百度新闻Feb 2026

新春走层丨护送万千乡愁 奔赴团圆之路

xīn chūn zǒu jī céng 丨 hù sòng mò qiān xiāng chóu bēn fù tuán yuán zhī lù

New Year walk grassroots 丨 escort thousands of nostalgia to the reunion road

百度新闻Feb 2026

新春走层|拉萨:年货购销两旺 高原喜迎新年

xīn chūn zǒu jī céng lā sà nián huò gòu xiāo liǎng wàng gāo yuán xǐ yíng xīn nián

Spring Festival at the Grassroots Level | Lhasa: New Year Shopping Booms as Plateau Welcomes the New Year

百度新闻Feb 2026

新春走层|如愿!守岛30年的海军“兵王”登上军...

xīn chūn zǒu jī céng rú yuàn ! shǒu dǎo nián de hǎi jūn bīng wáng dēng shǎng jūn . . .

New Year's Grassroots Tour | Wish Fulfilled! Navy's "Top Soldier" Who Guarded Island for 30 Years Reaches Military...

百度新闻Feb 2026

新春走层丨95后潜水员与千年白鹤梁的水下之约

xīn chūn zǒu jī céng 丨 hòu qián shuǐ yuán yú qiān nián bái hè liáng de shuǐ xià zhī yāo

Spring Festival at the Grassroots Level | Post-95 Diver's Underwater Encounter with the Millennia-Old Baiheliang

Tatoeba

我乘几路车去怀

Wǒ chéng jǐ lù chē qù huái jī jī?

What number bus do I take to get to Waikiki?

Tatoeba

你不懂本逻辑吗?

Nǐ bù dǒng jīběn luóji ma?

Do you not understand basic logic?

Tatoeba

我们的遗传因真的和黑猩猩几乎一样吗?

Wǒmen de yíchuán jīyīn zhēnde hé hēixīngxīng jīhū yīyàng ma?

Is it true that our genetic heritage is almost the same as that of chimpanzees?

Tatoeba

我们应该对人使用因编辑吗?

Wǒmen yīnggāi duì rén shǐyòng jīyīn biānjí ma?

Should we use genetic engineering on people?

Character Family

Homophones — Characters pronounced

Frequently Asked Questions

What does 基 (jī) mean in Chinese?
基 (jī) primarily means "base, foundation." It is classified as HSK Level 4, making it an upper-intermediate character. It ranks #280 in character frequency.
What's the difference between 基 and 期?
基 (jī) and 期 (qī) are often confused. confusable. The key distinguishing feature: 土 vs 月 (same 其 component).
How many strokes does 基 have?
基 is written with 11 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 基?
The radical associated with 基 is 土 (earth). This radical appears in many characters related to earth.
What are the components of 基?
基 is composed of: 其 (phonetic), 土 (semantic). Its IDS decomposition is ⿱其土 with a top-bottom layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 基?
Common words with 基 include: 基本 (jī běn, "basic"); 基地 (jī dì, "base (of operations, industrial, military, research etc)"); 基因 (jī yīn, "gene (loanword)"); 基金 (jī jīn, "fund"); 基督 (jī dū, "Christ (abbr. for 基利斯督[Ji1 li4 si1 du1] or 基利士督[Ji1 li4 shi4 du1])"). There are over 100 compound words containing this character.
What characters sound the same as 基 (jī)?
Several characters share the pronunciation jī: 机 (machine, opportunity), 鸡 (chicken), 级 (level, grade), 急 (urgent), and 2 more. Context and tones help distinguish between them in speech and writing.
Is 基 the same in simplified and traditional Chinese?
Yes, 基 is written the same way in both simplified and traditional Chinese.

Practice writing with real-time feedback

Trace stroke sequences, hear native pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.