noun
Refers to where a person comes from, including their birthplace or background. Often used in formal or biographical contexts.
彼の出自は明らかではない。
His origin is not clear.
この作家の出自は地方の小さな町だ。
This writer's birthplace is a small town in the countryside.
noun
Focuses on family background, social standing, or bloodline. Often used when discussing someone's pedigree or hereditary status.
彼は武士の出自である。
He is of samurai lineage.
出自をたどると、彼女の家系は古い貴族にたどり着く。
Tracing her ancestry leads back to an old aristocratic family.