Where does “胤違い” come from?

胤違い (Japanese) comes from Japanese 違い, from Japanese 違う, from Japanese 交う — together, past each other.

胤違い (Japanese): uterine sibling

Definitions

  1. uterine sibling

Ancestry of “胤違い”, step by step

胤違い traces back through two separate lines of ancestry.

via Japanese 違い

StepLanguageWordMeaning
1Japanese違いdifference; difference, discrepancy; being...
2Japanese違うto be different; to differ (from something)
3Japanese交うtogether, past each other

via Japanese 胤

StepLanguageWordMeaning
1Japanese胤paternal blood, offspring
2Middle Chineseいん—
Every word from Japanese 交う →Every word from Japanese 違う →Every word from Japanese 違い →