From the genus name.
psylla (plural psyllas)
(zoology) Any leaping plant louse of the genus Psylla, or family Psyllidae.
Source: Wiktionary
Psyl"la, n.; pl. Psyllæ. Etym: [NL., from Gr. (Zoöl.)
Definition: Any leaping plant louse of the genus Psylla, or family Psyllidæ.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 January 2025
(noun) memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
