What does -urriō mean in Latin?

-urriō, a suffix, means “verbal suffix”.

How do you pronounce -urriō?

In classical Latin, [ʊr.ri.oː]; in ecclesiastical (church) Latin, [ur.ri.o].

LATIN DICTIONARYLexicon Latīnum

suffixfourth conjugation

-urriō

-urriō (present infinitive -urrīre, perfect active -urrīvī, supine -urrītum)

Classical[ʊr.ri.oː]Ecclesiastical[ur.ri.o]

Meaning

morphemeverbal suffix

Origins

Possibly an alternative form of the 'desiderative' suffix -turiō, but this is disputed. The spellings with two Rs seem to be older than those with a single R, based on manuscript evidence; none of the forms is attested in inscriptions.

Quick answers

What does -urriō mean in Latin?: -urriō, a suffix, means “verbal suffix”.
How do you pronounce -urriō?: In classical Latin, [ʊr.ri.oː]; in ecclesiastical (church) Latin, [ur.ri.o].