noun which may take the genitive case particle 'no', noun
half-sibling by a different father; uterine
Refers to siblings who share the same mother but have different fathers. Often used in the phrase 種違いの兄弟/姉妹. Contrasts with 腹違い (half-sibling by a different mother).
See also: 腹違い
彼は種違いの兄だ。
He is my older half-brother by a different father.
種違いの姉妹が二人いる。
I have two half-sisters from a different father.
腹違い refers to half-siblings by a different mother, while 種違い refers to half-siblings by a different father.
Compound of 種 (seed, father's lineage) and 違い (difference). The exact historical derivation is uncertain, but the term has been used to distinguish paternal half-siblings.