Topknot under the crown - The origin of the crown

…Men's hairstyles were modeled on the customs of the Sui dynasty, and men in official positions were required to wear crowns in accordance with the system of crowns and clothing. They were established in a style called tojo ittopuki, in which all the hair was pulled up and tied in a topknot on top of the head. This style was called kanshita topknot. With the emergence of aristocratic culture under the Fujiwara clan in the Heian period, women's hairstyles made a major departure from the Tang style. …

*Some of the terminology explanations that refer to "topknot under the crown" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…男性の髪形は，隋の風俗を模して，冠服の制にならい官職にある男性は冠をかぶることになり，髪を全部引きあげて頭上に髻（もとどり）を結んだ頭上一髻といわれる形に定着する。この形式を冠下の髻という。　平安時代に入って藤原氏一門による貴族文化が生まれると，女性の髪形は唐様式から大きく脱皮した。…

※「冠下の髻」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報