Stroke order 
Stroke order 
七 Kangxi radical  1,一 +1, 2 strokes,cangjie input 十山  (JU ),four-corner 40710  ,composition ⿻㇀ 乚  (G H J K V ) or⿻㇀ ㇄  (T ))
Kangxi Dictionary:page 75 , character 7 Dai Kanwa Jiten: character 6 Hanyu Da Zidian (first edition):  volume 1, page 3, character 3 Unihan data for U+4E03 trad. 七 simp. # 七 alternative forms 柒 financial 𠀁 ancient 桼 financial; ancient 
Old Chinese 切 *sn̥ʰiːds, *sn̥ʰiːd 砌 *sʰiːds 沏 *sʰiːd 七 *sn̥ʰid 柒 *sn̥ʰid 叱 *n̥ʰjid 
Pictogram (象形 切 OC *sn̥ʰiːds, *sn̥ʰiːd (this (+ )  etymology besourced ?) 
The top-most horizontal stroke is done from left to right. The vertical stroke and bottom-most horizontal stroke are done as one stroke, from top-left to bottom-right.
FromProto-Sino-Tibetan *s-ni-s ( “ seven ” ) .
Mandarin (Standard  (Pinyin  :qī  (qi1  )(Zhuyin  :ㄑㄧ (Chengdu ,Sichuanese Pinyin  :qi2  (Xi'an ,Guanzhong Pinyin  :qǐ (Nanjing ,Nanjing Pinyin  :ci̊q (Dungan ,Cyrillic  andWiktionary  :чи  (či, I)Cantonese (Guangzhou –Hong Kong ,Jyutping  :cat1  (Dongguan ,Jyutping++  :cak7  (Taishan ,Wiktionary  :tit2  (Yangjiang ,Jyutping++  :cat3  Gan (Wiktionary  :qit6  Hakka (Sixian ,PFS  :chhit (Hailu ,HRS  :cid (Meixian ,Guangdong  :qid5  Jin (Wiktionary  :qieh4  Northern Min (KCR  :chĭ Eastern Min (BUC  :chék Puxian Min (Pouseng Ping'ing  cih6  Southern Min (Hokkien ,POJ  :chhit  /chhet  /sit  /chhiak (Teochew ,Peng'im  :cig4  / cêg4  (Leizhou , Leizhou Pinyin :qieg4  Wu (Northern Wugniu  :7 chiq /7 tshiq /1 tshia /1 chiauXiang (Changsha ,Wiktionary  :ci6  (Loudi ,Wiktionary  :ci2  (Hengyang ,Wiktionary  :qi6  Note : qí - a variant (and regional) sandhi tone when it occurs before fourth-tone syllables.
Cantonese Gan Hakka Jin Northern Min Eastern Min Puxian Min Southern Min (Hokkien Xiamen Quanzhou Zhangzhou Jinjiang Nan'an Yongchun Changtai Longyan GeneralTaiwanese  ,Singapore Penang Klang Philippines  Pe̍h-ōe-jī chhit Tâi-lô tshit Phofsit Daibuun chid IPA  (Klang /t͡sʰit̚⁵³/ IPA  (Xiamen Zhangzhou Yongchun Changtai Taipei Kaohsiung Singapore /t͡sʰit̚³²/ IPA  (Quanzhou Jinjiang Nan'an Longyan Philippines /t͡sʰit̚⁵/ IPA  (Penang /t͡sʰit̚³/ (Hokkien Hui'an  (Hokkien Zhangpu  (Hokkien Quanzhou  Note :
chhit - literary; chhiak - vernacular. Note : cêg4 - Jieyang.
(Leizhou  Leizhou Pinyin qieg4  SinologicalIPA  :/t͡sʰiek̚⁵/ Wu (Northern Shanghai Chongming Yixing Jiaxing Haining Haiyan Deqing Hangzhou Xiaoshan Shaoxing Cixi Ningbo  (Northern Jiading Songjiang Chuansha Suzhou Kunshan Changzhou Jingjiang Tongxiang  (Northern Songjiang Chuansha  (Northern Chongming  Note :
1 chiau (Chongming),
1 tshia (Songjiang, Chuansha) - as in
七 八 個 / 个 .
Baxter –Sagart  system 1.1 (2014 )Character 七 Reading # 1/1 Modern qī Middle ‹ tshit  › Old /*[tsʰ]i[t]/ English seven Notes  for Old Chinese notations in the Baxter–Sagart system:
* Parentheses "()" indicate uncertain presence;
* Period "." indicates syllable boundary.
Zhengzhang  system (2003)Character 七 Reading # 1/1 No. 9910 Phonetic 七 Rime 質 Rime 1 Corresponding 七 Old /*sn̥ʰid/ 
七 
seven ( printing ) agate : Thesize  oftype  between小六 xiǎoliù little 6 ”) and八 bā 8 ”),standardized  as 5½point .拐 guǎi ( in radio communications ) In Min Nan numbers, thevernacular  (白) pronunciation is the more common pronunciation, while theliterary  (文) reading is used for reading numbers out loud, such as in phone numbers. Please note that this usage is similar to the usage of the variant幺  for the numeral一  in Mandarin.
Others :
→  Ai-Cham:sit⁷ →  Proto-Tai:*cetᴰ Northern Tai Central Tai Southwestern Tai For pronunciation and definitions of 七  – see𨳍 penis ; etc.”). This character is a variant form of 𨳍 
七 
(First grade kyōiku kanji  )
seven seventh seventimes  FromOld Japanese 七 ( nana ) , ultimately fromProto-Japonic *nana 
七( なな )  •  (nana 
seven ,7 七( なな )  •  (nana 
aseven  agambler  七( なな )  •  (Nana 
asurname  In modern Japanese, Japonicなな ( nana )  is more common than Siniticしち ( shichi )  (see Etymology 2) outside fixed compounds, which is similar to四 ( yo )  but different from other numerals. The reason may be a superstitious connection to死 ( shi ,“ death ” ) , or simply avoiding confusion with the similar sounding一 ( ichi )  and四 ( shi ) . FromMiddle Chinese 七 MC Hokkien 七 ( chhit ) ,Hakka 七 ( chhit ) .
七( しち )  •  (shichi 
seven ,7 Shortening fromnana  above.
七( な )  •  (na 
( colloquial ) seven ,7 Borrowed fromMandarin 七 ( qī ) .
七( チー )  •  (chī 
seven ,7 Japanese numbers
Number Kanji Kana Romaji 0 零 れい、ゼロ rei, zero 1 一 壱 弌 壹 いち ichi 2 二 弐 貳 貮 に ni 3 三 参 さん san 4 四 肆 よん、し yon, shi 5 五 伍 ご go 6 六 陸 ろく roku 7 七 漆 なな、しち nana, shichi 8 八 捌 はち hachi 9 九 玖 きゅう、く kyū, ku 10 十 拾 じゅう jū 100 百 陌 佰 ひゃく hyaku 1,000 千 阡 仟 せん sen 10,000 一万 万 一萬 萬 いちまん、まん ichiman, man 100,000,000 一億 億 いちおく、おく ichioku, oku 
↑1.0 1.1 1.2 1.3  Matsumura, Akira , editor (2006 ),大辞林 Daijirin Tokyo :Sanseidō ,→ISBN  ^ NHK Broadcasting Culture Research Institute , editor (1998 ),NHK日本語発音アクセント辞典 NHK  Japanese Pronunciation Accent DictionaryTokyo :NHK Publishing, Inc. ,→ISBN FromMiddle Chinese 七 MC 
七  (eumhun 일곱 칠 ( ilgop chil ) )
hanja  form? 칠 ( “ seven ” ) 국제퇴계학회 대구경북지부 (國際退溪學會 大邱慶北支部)  (2007). Digital Hanja Dictionary,전자사전/電子字典 .[2] FromProto-Japonic *nana 
七  (nana ) (kana なな 
seven ,7 夜麻登能( やまとの )  多加佐士怒袁( たかさじのを )  那那( なな )  由久( ゆく )  袁登賣杼母( をとめども )  多禮袁志摩加牟( たれをしまかむ )  [Man'yōgana ] 大和( やまと )  の高( たか )  佐士野( さじの )  をなな 行( ゆ )  くをとめども誰( たれ )  をし枕( ま )  かむ[Modern spelling] Yamato no Takasajino onana  yuku otome-domo tare o shi makamu (please add an English translation of this example) 七 :Hán Việt thất 戚 ( thích ) 悉 ( tất ) 切 ( thiết ) [ 1] [ 2] [ 3] 七 :Nôm thất [ 2] sất [ 1] 
chữ Hán thất ( “ (only in compounds)seven  ” )