Iemoto

lit. 'family foundation' (家元) is a Japanese term used to refer to the founder or current Grand Master of a certain school of traditional Japanese art. It is used synonymously with the term sōke (宗家) when it refers to the family or house that the iemoto is head of and represents.

The word is also used to describe a system of familial generations in traditional Japanese arts such as tea ceremony (including ),, Noh, calligraphy, traditional Japanese dance, traditional Japanese music, the Japanese art of incense appreciation , and Japanese martial arts. and Go once used the system as well. The system is characterized by a hierarchical structure and the supreme authority of the, who has inherited the secret traditions of the school from the previous.

Titles
An may be addressed by the title  or, or by the title Sōshō (宗匠) or Ō-sensei (大先生). In English, is often translated as "Grand Master". The 's main roles are to lead the school and protect its traditions, to be the final authority on matters concerning the school, to issue or approve licenses and certificates and, in some cases, to instruct the most advanced practitioners.

The title of in most cases is hereditary. It is commonly transmitted by direct line, or by adoption. Once the "successor-to-be" is officially recognized, that successor-to-be may appropriate the title of "Young Master" (若宗匠). By tradition, the title of is also passed down along with a hereditary name. In the Urasenke tradition of tea ceremony, for example, the carries the name "Sōshitsu". There can only be one at the head of one school at a time, which sometimes leads to the creation of new "houses" or "lines" by those wishing to be  themselves.

Structure
Officially recognized teachers of the traditional arts that hold the position of obtain a license to teach from the former, signifying the 's trust that the so-licensed person is capable and qualified to faithfully pass on the school's teachings. Students must also acquire licenses or certificates at various stages in their study. Depending on the school, such certificates either give the student permission to study at a particular level or affirm that the student has achieved a given level of mastery. Recipients must pay for these certificates which, at the highest level, may cost several million yen. It is also the who authorises, selects and bestows ceremonial names for advanced practitioners.

History
As far back as the Heian period (794–1185), there were -like family lines that were responsible for passing down the secret traditions and orthodox teachings of their particular school of art, but the first appearance of the word in extant records dates to the end of the 17th century, where it is used in reference to families entitled to have their sons become priests at great temples. Its use in the sense that it is used today, in the realm of traditional Japanese arts, starts to appear in documents in the middle of the 18th century.

The system of is a manifestation of the ie (家) or "household" and dōzoku (同族) or "extended kin" pattern of relationships in Japanese society. The concept of the " system" (家元制度) was developed further by the historian Matsunosuke Nishiyama in the post-war period to describe the social structures associated with exclusive family control and networks of instructors, a characteristic of the feudal era whose influence on traditional arts is still felt today.

Go
There were originally four main schools of Go players: Hon'inbō, Hayashi, Inoue and Yasui, alongside three minor schools: Sakaguchi, Hattori and Mizutani.

Early in the 17th century, the then best player in Japan, Hon'inbō Sansa, was made head of a newly founded Go academy (the Hon'inbō school (本因坊), which developed the level of playing greatly, and introduced the martial arts style system of ranking players. The government discontinued its support for the Go academies in 1868 as a result of the fall of the Tokugawa shogunate.

In honour of the Hon'inbō school, whose players consistently dominated the other schools during their history, one of the most prestigious Japanese Go championships is called the "Honinbo" tournament.

The three main schools of Japanese flower arrangement, or, are Ikenobō, Ohara, and Sōgetsu.

According to the organization Network, there currently are 138 registered schools of small and large size.

Traditional Japanese dance
There are about 200 schools of traditional Japanese dance. The five most famous are the Hanayagi-ryū, Fujima-ryū, Wakayagi-ryū, Nishikawa-ryū, and Bandō-ryū.

Incense appreciation
The two main schools of Incense appreciation (香道) are the Shino-ryū and the Nijō-ryū.

Criticism and opposition
The system has been described as rigid, expensive, nepotistic, authoritarian and undemocratic. Some groups have chosen to reject the system. In the realm of the Japanese tea ceremony, Sensho Tanaka created the Dai Nihon Chadō Gakkai (大日本茶道学会) in 1898 to systematize teaching in a more democratic way outside the rigidity of the  system. Hiroaki Kikuoka, a player, created a presidential system for his group. player Michiyo Yagi has rejected both the system and the traditional style of her instrument, choosing to strike chords.