先せん祖ぞ伝でん来らい

noun which may take the genitive case particle 'no'

inherited; ancestral; family heirloom

Describes something passed down through generations in a family, such as an object, tradition, or trait. Often used with nouns like 宝物 (treasure) or 土地 (land).

• これは先せん祖ぞ伝でん来らいの刀かたなです。

  This is a sword handed down from my ancestors.

• 先せん祖ぞ伝でん来らいの土と地ちを守まもりたい。

  I want to protect the land that has been passed down through my family.