# septendecimal

> English word · Adjective

## Definitions
1. Relating to or based on the number 17.

## Etymology
From Latin septendecim (“seventeen”) + -al, after decimal. By surface analysis, septen- + decimal.

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