# principia

> English word · Noun · frequency rank #62,426

## Definitions
1. First principles; elementary material.

## Etymology
Learned borrowing from Latin prī̆ncipia.

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