通つう字じ

noun

clan character; lineage character

A kanji used in the given names of all members of a single clan or lineage, often passed down through generations. This is a historical and genealogical term.

• 徳とく川がわ家けでは「家いえ」の字じが通つう字じとして使つかわれた。

  In the Tokugawa family, the character '家' was used as a clan character.

• この系けい図ずを見みると、代だい々だい「信しん」が通つう字じになっている。

  Looking at this family tree, '信' has been the clan character for generations.