How to say "legacy" in Japanese

• 遺産いさんCommon
  nounThe common word for what a person leaves at death—an inheritance or bequest—and figuratively for a heritage. Covers both the property sense of 'legacy' and senses like a cultural or historical legacy.
  彼かれは莫大ばくだいな遺産いさんを受け継うけついだ。↗

  He inherited a great fortune.
• レガシー
  nounThe loanword, keeping the English flavor; used where 'legacy' is borrowed directly, often in computing. It can also mean inheritance or bequest, but 遺産 is the usual choice for those senses.
• レガシィ
  nounAn alternative spelling found as the product name of the Subaru Legacy car; it is not a general word for legacy. For the ordinary sense, use 遺産 or レガシー instead.
• 遺贈いぞう
  noun, suru verb, transitive verbA legal term for a bequest: property left to someone by will. Use it in legal contexts; in everyday talk about what someone left behind, 遺産 is the natural word.
• 従来型じゅうらいがた
  no-adjectiveDescribes the existing or conventional type of something; with software and similar technology it corresponds to 'legacy', as in older systems still in use. Not a word for legacy as property or heritage.

Use 遺産 for what the dead leave, property or heritage; 遺贈 names a bequest in legal contexts; 「レガシー」 is the English loanword; 従来型 renders 'legacy' for older software and systems; 「レガシィ」 is only the Subaru car name.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 遺産いさんinheritance
• レガシーlegacy
• レガシーLegacy (Subaru car)
• レガシィLegacy (Subaru car)
• 遺贈いぞうbequest
• 従来型じゅうらいがたexisting (type, style, form)