# sesvigintillion

> English word · Numeral

## Definitions
1. Alternative form of sexvigintillion.

## Etymology
From an altered form of sex- used in the Conway–Guy system for naming large numbers (compare Latin sescentī) + vigintillion.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sesvigintillion