Japanese edit

Kanji in this term
ちゃく
Grade: S
りゅう
Grade: 3
on’yomi

Noun edit

 嫡流 on Japanese Wikipedia

(ちゃく)(りゅう) (chakuryū

  1. lineage of the eldest son, a direct descendant
    藤原(ふじわら)嫡流(ちゃくりゅう)
    Fujiwara no chakuryū
    a direct descendant of the Fujiwara clan

Further reading edit