Bip39 Passphrase. You'd probably then do a fundamental recovery by using a command like the 1 under. (This command employs a sample wallet file bunlded with BTCRecover) And you ought to have created it down in case you were being hoping to keep a choice open to revive your accounts. https://socialdummies.com/story4515076/bip39-mnemonic-https-linktr-ee-bip39-bip39-words-fundamentals-explained