Grandchild

Japanese: 孫 - まご

〘 noun 〙 (a variation of "umago (grandchild)")① A child of a child. Also refers to a descendant. ※The Chronicles (720) Kamiyo no Shita (Kanekata Honin) "Imperial grandchild (sumemako) (〈Alternate reading〉 sumemima)"② To be separated by a single space . Also refers to such a relationship. "Grandchild disciple" "Grandchild pull" ※Someday I'll blow the whistle (1972)〈Hatayama Hiroshi〉 6 "I have outsourced small parts to a grandchild before." ③ In the trading market, refers to a grandchild stock. 〔Exchange terminology dictionary (1917)〕 ④ Refers to the size of the shuttlecock. ※Tokyo Annual Events (1911)〈Wakatsuki Shiran〉 January Calendar "There are differences in size of shuttlecocks 〈abbreviated〉 grandchild (1 shaku 6 sun) and 1 shaku 8 sun (2 shaku to 2 shaku 5 sun)."

Umago [grandchild]

〘 noun 〙 (also written as "mumago" after the Heian period) 1. A child of a child. A grandchild. ※ Ryōiki ( 810-824 ) - "There was an old woman nearby who was a widow and had no children . ( National Diet Library's original translation: ' soku u muko ' )" ※Genji (c. 1001-14) - Suetsumuhana "The old man came forth from a very great descent. A young woman of a very small size, perhaps the grandchild of his daughter." 2. A descendant. A grandchild. ※Utsubo (c. 970-999) - Toshikage "Also, the seven people equivalent to the elephants of this mountain should be the grandchildren of three generations."

Son [grandchild]

〘Noun〙① grandson; grandson. ※Taira Masasetsu (1776), small secret scroll: "The grandson of Sankinokami Masamori was the eldest son of the Minister of Justice Tadamori. " [Jiga - Shakushin] ② descendant. youngest grandson. descendant . posterity. ※Taiheiki ( late 14th century), 10: "The fifth prince of Emperor Kanmu, Prince Katsurahara, had a third-generation grandson, the thirteenth generation from General Hei Sadamori." [Yumeiroku - Liu Chen, Ruan Zhao] ③ lineage. pedigree. inheritance. ※Joruri, Miura Daisuke Kobai-ki (1730), 1: "A long life equal to one's parents is a blessing for the family."

HI-KO [Grandchild]

〘 noun 〙 A child of a child. A grandchild. (Wamyo-sho, 20 volumes, around 934) [Etymology] (1) It is thought to be a combination of ko (child) and hi (grandchild). A similar example is hihiko (great-grandchild), and hi is thought to represent a relative separated by one generation.
(2) In the Kanchiin Honmyōgishō, the character for “grandchild” is written as “mumako” (in higashigo), which suggests that this character was no longer common in the central area during the late Heian or Kamakura periods.
(3) → Origin of the word "hiko (great-grandson)"

Mumago [grandchild]

〘Noun〙 ⇒ umago (grandchild)

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙 (「うまご（孫）」の変化したもの)① 子の子。また、子孫のことをもいう。※書紀（720）神代下（兼方本訓）「皇孫(すめマコ)（〈別訓〉すめみま）」② 間(あいだ)を一つへだてること。また、そのような関係をいう。「孫弟子」「孫引き」※いつか汽笛を鳴らして（1972）〈畑山博〉六「小さな部品を、これまでにも孫下請けに出したことはある」③ 取引市場で孫株をいう。〔取引所用語辞彙（1917）〕④ 羽子板の大きさをいう。※東京年中行事（1911）〈若月紫蘭〉一月暦「羽子板には大さによって〈略〉孫(マゴ)（一尺六寸）尺八（二尺より二尺五寸位迄）の差別あり」

うま‐ご【孫】

〘名〙 (平安以降「むまご」とも表記)① 子の子。まご。※霊異記（810‐824）中「隣に耆(おきな)嫗(おうな)有りて各鰥(をのこやも)寡(やもめ)に居りて、曾(かつ)て子息(ウマコ)无(な)し〈国会図書館本訓釈息于万古〉」※源氏（1001‐14頃）末摘花「翁の、いといみじきぞいで来たる。むすめにやむまごにや、はしたなる大きさの女の」② 子孫。まごこ。※宇津保（970‐999頃）俊蔭「又この山のぞう七人にあたる人を、三代のむまごにうべし」

そん【孫】

〘名〙① まご。うまご。※平家正節（1776）小秘巻「讚岐の守正盛が孫(そン)刑部卿忠盛の朝臣の嫡男也」〔爾雅‐釈親〕② 子孫。末孫。後裔(こうえい)。後胤(こういん)。※太平記（１４Ｃ後）一〇「桓武第五の皇子葛原親王に、三代の孫(ソン)平将軍貞盛より十三代」〔幽明録‐劉晨・阮肇〕③ 血筋。血統。遺伝。※浄瑠璃・三浦大助紅梅靮（1730）一「親に劣らぬ長命は、家のそんかと目出たけれ」

ひ‐こ【孫】

〘名〙子の子。まご。うまご。〔二十巻本和名抄（934頃）〕[語誌](1)コ（子）にヒを冠したものと考えられ、類例にヒヒコ（曾孫）などがあり、ヒは一代隔てた親族をあらわすと思われる。
(2)「観智院本名義抄」には「孫」字に「ムマコ鄙語云ヒコ」とあって、平安時代末期ないし鎌倉時代、中央では一般的でなくなっていたようである。
(3)→「ひこ（曾孫）」の語誌