What does -ēscō mean in Latin?

-ēscō, a suffix, means “Attaches to a stem (a noun or adjective) to form a verb meaning “to become [stem]” or similar”.

How do you pronounce -ēscō?

In classical Latin, [ˈeːs.koː]; in ecclesiastical (church) Latin, [ˈɛs.ko].

suffixthird conjugation

-ēscō (present infinitive -ēscere, perfect active -ī, supine -um)

Classical[ˈeːs.koː]Ecclesiastical[ˈɛs.ko]

morphemeAttaches to a stem (a noun or adjective) to form a verb meaning “to become [stem]” or similar

From Proto-Italic *-ēskō, from Proto-Indo-European *-éh₁sḱeti.

Descendants