Pachypasa

noun

Pa·​chyp·​a·​sa

pəˈkipəsə

: a genus of lasiocampid moths including a Syrian silkworm (P. otus) reared by the Greeks and Romans for its silk until the introduction of the Chinese silkworm in a.d. 550

Word History

Etymology

New Latin, probably from pachy- + Greek pas all; akin to Sanskrit śaśvat every, śvayati he swells

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