fundamentum

noun

fun·​da·​men·​tum

ˌfəndəˈmentəm

plural -s

: a logical basis or ruling principle : ground

Word History

Etymology

Latin, literally, foundation

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