原生家庭

yuánshēngjiātíng
family of origin

CEDICT

family of origin

Wiktionary

Entry Composition

1 原生 yuánshēng
  1. original
  2. primary
  3. native
  4. indigenous
  5. proto-
  6. stock (firmware)
2 家庭 jiātíng
  1. family
  2. household

classifiers: 戶, 個