# trigesimal

> English word · Adjective

## Definitions
1. Thirtieth.
2. Containing thirty of something.

## Etymology
From Latin trigesimus (“thirtieth”) + -al (“forming adjectives”).

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