同

Stroke order

同 (Kangxi radical 30, 口+3, 6 strokes, cangjie input 月一口 (BMR), four-corner 7722₀, composition ⿵冂𠮛)

• 侗, 㓊, 哃, 垌, 姛, 峒, 㣚, 恫, 挏, 洞, 狪, 晍, 桐, 烔, 胴, 眮, 硐, 秱, 粡, 絧, 𦨴, 詷 (𫍣), 䞒, 酮, 𨤯, 銅 (铜), 餇, 駧, 鮦 (鲖)
• 迵, 痌, 衕, 㢥, 戙, 㖯
• 峝, 茼, 㸗, 㖰, 䆚, 筒, 𪔚
• 興, 爂, 璺, 舋, 㸑, 爨, 釁

• 仝, 々

• KangXi: page 175, character 6
• Dai Kanwa Jiten: character 3294
• Dae Jaweon: page 389, character 6
• Hanyu Da Zidian (first edition): volume 1, page 578, character 1
• Unihan data for U+540C

Historical forms of the character 同
Shang	Western Zhou	Warring States	Shuowen Jiezi (compiled in Han)	Liushutong (compiled in Ming)
Oracle bone script	Bronze inscriptions	Chu slip and silk script	Small seal script	Transcribed ancient scripts

Ideogrammic compound (會意) : 凡 (“all”) + 口 (“mouth”) – together.

Perhaps related to Tibetan སྡོང་བ (sdong ba, “to unite; to join”), Mizo intawng (inᴸ-tɔŋᴴ, “to meet together; to tally; to agree”), Mizo intawn (inᴸ-tɔn^F, “to meet together; to tally; to agree”). Unrelated to 叢 (OC *zloːŋ, “to collect; thicket”) (Schuessler, 2007).

同

1. same; identical

   同類／同类  ―  tónglèi  ―  people or things of the same kind

   同一個世界，同一個夢想。 [MSC, trad.]
   同一个世界，同一个梦想。 [MSC, simp.]

   Tóng yīge shìjiè, tóng yīge mèngxiǎng. [Pinyin]

   One World, One Dream. (literally "The Same World, The Same Dream")

   同幾首歌／同几首歌 [Cantonese]  ―  tung⁴ gei² sau² go¹ [Jyutping]  ―  the same old songs

2. to be the same as

   同上  ―  tóngshàng  ―  to be the same as above (aforementioned)

3. together; with each other

   有福同享，有難同當 [MSC, trad.]
   有福同享，有难同当 [MSC, simp.]

   yǒu fú tóng xiǎng, yǒu nàn tóng dāng [Pinyin]

   to share joy together and bear hardship together

4. with (indicating accompaniment or relationship)

   Synonym: 跟 (gēn)

   我同你去  ―  wǒ tóng nǐ qù  ―  I am going with you.

   他同這件事無關。／他同这件事无关。  ―  Tā tóng zhè jiàn shì wúguān.  ―  He has nothing to do with this.

5. (introducing the recipient of an action) with

   Synonym: 跟 (gēn)

   有件事情我想同你商量一下。 [MSC, trad. and simp.]

   Yǒu jiàn shìqíng wǒ xiǎng tóng nǐ shāngliàng yīxià. [Pinyin]

   This is something that I want to discuss with you.

   我先唔同佢哋買呀。 [Cantonese, trad.]
   我先唔同佢哋买呀。 [Cantonese, simp.]

   ngo⁵ sin¹ m⁴ tung⁴ keoi⁵ dei⁶ maai⁵ aa³. [Jyutping]

   I will definitely not buy from them.

   • 我懷著感激與敬重的心情同他道别。 [MSC, trad.]
     我怀著感激与敬重的心情同他道别。 [MSC, simp.]

     From: 卢存岳 (19 December 1987), “赴“二外”讲学乘车小记”, in People's Daily, page 5

     Wǒ huái zhe gǎnjī yǔ jìngzhòng de xīnqíng tóng tā dàobié. [Pinyin]

     (please add an English translation of this example)

   • 國家主席習近平12月9日晚同法國總統馬克龍通電話。 [MSC, trad.]
     国家主席习近平12月9日晚同法国总统马克龙通电话。 [MSC, simp.]

     From: 9 December 2020, 习近平同法国总统马克龙通电话 两国元首就下阶段中法合作达成重要共识

     Guójiā zhǔxí Xí Jìnpíng 12 yuè 9 rì wǎn tóng Fǎguó zǒngtǒng Mǎkèlóng tōng diànhuà. [Pinyin]

     On the evening of 9 December, President Xi Jinping had a telephone conversation with French President Macron.

6. used to show comparison

   今年的氣候同往年不一樣。 [MSC, trad.]
   今年的气候同往年不一样。 [MSC, simp.]

   Jīnnián de qìhòu tóng wǎngnián bù yīyàng. [Pinyin]

   The climate this year is different from which of the past.

7. and

   我買咗一包米同一罐汽水。 [Cantonese, trad.]
   我买咗一包米同一罐汽水。 [Cantonese, simp.]

   ngo⁵ maai⁵ zo² jat¹ baau¹ mai⁵ tung⁴ jat¹ gun³ hei³ seoi². [Jyutping]

   I bought a pack of rice and a can of soft drink.

   巴西同阿根廷都係南美洲國家。 [Cantonese, trad.]
   巴西同阿根廷都系南美洲国家。 [Cantonese, simp.]

   baa¹ sai¹ tung⁴ aa³ gan¹ ting⁴ dou¹ hai⁶ naam⁴ mei⁵ zau¹ gwok³ gaa¹. [Jyutping]

   Brazil and Argentina are both South American countries.

8. (dialectal, including Cantonese) for

   同我攞杯水，唔該。 [Cantonese, trad.]
   同我𫽋杯水，唔该。 [Cantonese, simp.]

   tung⁴ ngo⁵ lo² bui¹ seoi², m⁴ goi¹. [Jyutping]

   Please get me a cup of water.

9. a surname

• (and):

• (for):

• “同”, in 漢語多功能字庫 (Multi-function Chinese Character Database)‎, 香港中文大學 (the Chinese University of Hong Kong), 2014–
• Dictionary of Chinese Character Variants (教育部異體字字典), A00501

(grade 2 “Kyōiku” kanji)

• Go-on: ずう (zū)^{←づう (duu, historical)}
• Kan-on: とう (tō)^{←とう (tou, historical)}
• Kan’yō-on: どう (dō, Jōyō)^{←どう (dou, historical)}
• Kun: おなじ (onaji, 同じ, Jōyō); ともに (tomoni, 同に)
• Nanori: あつ (atsu); あつむ (atsumu); とも (tomo); ひとし (hitoshi)

• 同(どう)床(しょう) (dōshō): sharing a bed
• 同(どう)人(じん) (dōjin): doujin

From Middle Chinese 同 (duŋ, “same”).

• (Tokyo) ど​ー [dóꜜò] (Atamadaka – [1])[1][2]
• IPA^(key): [do̞ː]

同(どう) • (dō-) 

1. same

• 仝, 々

From Middle Chinese 同 (MC duŋ).

• (SK Standard/Seoul) IPA^(key): [to̞ŋ]
• Phonetic hangul: [동]

Wikisource 同 (eumhun 한가지 동 (han'gaji dong))

1. Hanja form^? of 동 (“same; identical”).

• 국제퇴계학회 대구경북지부 (國際退溪學會 大邱慶北支部) (2007). Digital Hanja Dictionary, 전자사전／電子字典.

同: Hán Việt readings: đồng (德(đức)紅(hồng)切(thiết))[1][2][3][4][5][6]
同: Nôm readings: đồng[1][2][3], đùng[1][3][7], đòng[1], đang[3], rùng[1]

1. chữ Hán form of đồng (“co-, homo-”).