ancestral

形容词 ancestral:

1. inherited or inheritable by established rules (usually legal rules) of descent
   同义词：hereditary, patrimonial, transmissible
2. of or belonging to or inherited from an ancestor

1. A card game ancestral to bridge, played with a full deck by two teams of two players, in which the last card dealt indicates trump, tricks of four cards are played, and a point is scored for each trick over six won by each team.
   惠斯特牌桥牌的一种原始形式，玩时各由两位玩手组成的两方玩一副纸牌，最后所发的一张牌为王牌，玩时以四张牌为一圈进行，第一圈中各方所赢得的每个点都被算作6分
2. A reversion to a former type or ancestral characteristic.
   返祖恢复到从前的类型或祖先的特征
3. We should study our ancestral achievements.
   我们应该学习祖先的成就。
4. Her ancestral home is China.
   她的祖居是中国。

an.ces.tral

adj.（形容词）
Of, relating to, or evolved from an ancestor or ancestors.
祖先的：祖先的，与祖先有关的，祖宗传下的

【引伸】
ances.trally
adv.（副词）