stemma
/ˈstemə/noun
(pl. stemmata /-mətə/)
1- a recorded genealogy of a family; a family tree家谱, 系谱; 系谱图。
1.1
- a diagram showing the relationship between a text and its various manuscript versions（表示一个版本与手稿关系的）稿本关系图。
词源
mid 17th cent.: via Latin from Greek stemma 'wreath', from stephein 'wreathe, crown'.