家か伝でん

noun, noun which may take the genitive case particle 'no'

family tradition; hereditary secret

Refers to knowledge, skills, or customs passed down within a family, often with a sense of exclusivity or secrecy.

• この料りょう理りのレシピは家か伝でんだ。

  This recipe is a family tradition.

• 家か伝でんの秘ひ薬やくが代だい々だい受うけ継つがれている。

  The family's secret medicine has been passed down for generations.