What is the pronunciation of the Italian word 'Mangiamo'?

"Mahn-DJAH-moh" is the pronunciation of the Italian Word Mangiamo!

Specifically, the Word is a verb. It is in the first person plural, noi ("we"). It may be in the present indicative ("we are eating, we do eat, we eat"), the present subjunctive ("[that] we may eat") or the present imperative ("let's eat") depending upon context.