---
title: "BIP39 Word #621: eternal — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/eternal/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #621 01001101100 

# eternal — BIP39 word #621

"**eternal**" is word #621 of the 2048 words in the official BIP39 English wordlist, between [estate](/bip39-word/estate/) and [ethics](/bip39-word/ethics/). In a seed phrase it stands for the 11-bit value `01001101100`, decimal index 620\. 

/ɪˈtɜːnᵊl/  · _adjective:_ lasting forever, without beginning or end 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): вечный 

## Binary Representation

Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.

One wrong bit turns it into (leftmost bit first):

[snow](/bip39-word/snow/)[assault](/bip39-word/assault/)[horn](/bip39-word/horn/)[frown](/bip39-word/frown/)[easily](/bip39-word/easily/)[end](/bip39-word/end/)[exhibit](/bip39-word/exhibit/)[erode](/bip39-word/erode/)[escape](/bip39-word/escape/)[evidence](/bip39-word/evidence/)[ethics](/bip39-word/ethics/) 

Position

Hex Index

0x26C

4-Letter Prefix

eter

## About "eternal" in BIP39

- "eternal" has 7 letters, but the first three, **"ete"**, already identify it, because **"et"** also begins [ethics](/bip39-word/ethics/). Three letters are enough for only 604 of the 2048 words.
- **"eter"** is unique only within the English list: it also begins eterno in the [Spanish list](/spanish/), so a four-letter backup should say which list it uses.

## Word #621 in the Other 9 BIP39 Wordlists

[Czech](/czech/) kolaps 

[French](/french/) écraser 

[Italian](/italian/) famiglia 

[Japanese](/japanese/) ごうまん 

[Korean](/korean/) 버튼 

[Portuguese](/portuguese/) diluente 

[Spanish](/spanish/) enorme 

[Traditional Chinese](/chinese-traditional/) 財 

[Simplified Chinese](/chinese-simplified/) 财 

## More BIP39 Words Starting with "E"

[ #617 escape ](/bip39-word/escape/)[ #618 essay ](/bip39-word/essay/)[ #619 essence ](/bip39-word/essence/)[ #620 estate ](/bip39-word/estate/)[ #622 ethics ](/bip39-word/ethics/)[ #623 evidence ](/bip39-word/evidence/)[ #624 evil ](/bip39-word/evil/)[ #625 evoke ](/bip39-word/evoke/) 

[View all words starting with "E" ](/bip39-words/e/) 

## Seed phrase, key and recovery guides

- [Bitcoin Private Key Format: WIF, Base58 and Hex Explained](/private-key-btc/)
- [How to Encrypt a Seed Phrase: AES, XOR and Steganography](/seed-phrase-encrypting-with-aes-xor-and-steganography/)
- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)

[ Full BIP39 Wordlist ](/)