そせん【祖先】
an ancestor; a forefather ⇒せんぞ(先祖)祖先の名を辱しめるbring disgrace upon the good name of one's forefathers...
そせんすうはい【祖先崇拝】
ancestor worship
そせんでんらい【祖先伝来】
祖先伝来の ancestral; hereditary祖先伝来の品an heirloom handed down in the family for generations
そせんでんらいの【祖先伝来の】
ancestral; hereditary祖先伝来の品an heirloom handed down in the family for generations