What does psyllion mean in Latin?

psyllion, a noun, means “fleabane”.

What is the genitive of psyllion?

The genitive singular is psylliī. psyllion is neuter, second declension.

In classical Latin, [ˈpsyl.li.ɔn]; in ecclesiastical (church) Latin, [ˈpsil.li.on].

noun · neutersecond declension

psyllion n (genitive psylliī)

Classical[ˈpsyl.li.ɔn]Ecclesiastical[ˈpsil.li.on]

psyllĭon, ĭi, n., = ψύλλιον,

I. a plant, fleabane, fleawort, Plin. 25, 11, 90, § 140; Cael. Aur. Acut. 3, 8, 97.

Borrowed from Ancient Greek ψύλλιον (psúllion).