Italian word aggiornamento comes from Italian -mento (Forms nouns that represent the action of a related verb.), Italian aggiornare

Detailed word origin of aggiornamento

Dictionary entry	Language	Definition
-mento	Italian (ita)	Forms nouns that represent the action of a related verb.
aggiornare	Italian (ita)	(transitive) to postpone, put off. (transitive) to revise. (transitive) to update.
aggiornamento	Italian (ita)	Adjournment, recess. Update, updating.

Words with the same origin as aggiornamento