principial

adjective

prin·​cip·​i·​al

(ˈ)prin¦sipēəl

1

: initial, primary

2

: of, relating to, or based on principle

Word History

Etymology

Latin principium beginning + English -al

First Known Use

14th century, in the meaning defined at sense 1

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now