Topknot under Eboshi hat - Eboshishita no Mototori

…For common people who needed light clothing suitable for work, one or two sections of the hanging hair were tied with a motoyui (top knot) and gathered at the back to facilitate movement. In addition to the crown-under-topknot that had continued since the Nara period, hairstyles for men from the Heian period onwards included the eboshi-under-topknot, tsukugami (socked hair), and karawa (curly hair). Crown-under-topknots were worn by the aristocracy, doctors, and scholars, but in the Middle Ages, men, even common people, began to wear eboshi hats on a regular basis, and the eboshi-under-topknot, in which the motoyui section was less curled and more of the hair was left exposed at the ends, was worn. …

*Some of the terminology explanations that refer to "eboshi-shita-topknot" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…労働に適した軽快な服装を必要とした一般庶民の場合は，垂髪の1,2ヵ所を元結（もとゆい）で結んで背後にまとめ，動作の便をはかった。　平安時代以降中世の男性の髪形では，奈良時代より続いた冠下の髻のほかに，烏帽子（えぼし）下の髻，束髪，唐輪（からわ）などが現れた。冠下の髻は貴族階級や医者，学者などが結ったものであるが，中世では一般庶民にいたるまで男子は烏帽子を常用するようになって，元結の部分を少なく巻いて髪先を多く出す烏帽子下の髻が結われた。…

※「烏帽子下の髻」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