Usimamizi wa kiufundi wa kazi zilizofichwa umeanza.

It is basically a subject noun phrase + a verb.

• Usimamizi wa kiufundi wa kazi zilizofichwa = the subject noun phrase
• umeanza = has begun / has started

A helpful way to chunk it is:

• usimamizi wa kiufundi = technical supervision
• wa kazi zilizofichwa = of hidden works

So the whole sentence is essentially Technical supervision of hidden works has begun.

Both wa forms are linkers meaning something like of. In Swahili grammar, this is often called the associative construction.

Here they connect extra information to usimamizi:

• usimamizi wa kiufundi = supervision of a technical kind / technical supervision
• usimamizi ... wa kazi zilizofichwa = supervision of hidden works

So the two wa words are not accidental repetition. They are doing the normal job of linking related nouns or noun phrases.

Here kiufundi means technical.

Depending on context, kiufundi can also mean technically, but in this sentence it is part of the phrase wa kiufundi, which functions like an adjective phrase modifying usimamizi.

So:

• usimamizi wa kiufundi = technical supervision

You can think of it literally as supervision of a technical nature.

Umeanza can be broken down like this:

• u- = subject agreement for the noun class of usimamizi
• -me- = perfect tense marker
• anza = begin / start

So umeanza means has begun or has started.

The important point is that the verb agrees with usimamizi, not with kazi. That is why the verb starts with u-.

Because kazi is one of those Swahili nouns whose singular and plural have the same form.

So:

• singular: kazi
• plural: kazi

You tell the difference from agreement words around it. In this sentence, zilizofichwa shows that kazi is plural here.

If it were singular, you would expect:

• kazi iliyofichwa = hidden work

But the sentence has:

• kazi zilizofichwa = hidden works

Zilizofichwa is a relative form meaning which were hidden.

A useful breakdown is:

• zi- = agreement for plural kazi
• -li- = past tense
• -zo- = relative marker for that noun class
• fich = hide
• -w- = passive
• -a = final vowel

So the whole word means something like which were hidden.

That is why kazi zilizofichwa literally means works which were hidden.

Yes. The -w- inside zilizofichwa is the passive marker.

Compare:

• kuficha = to hide
• kufichwa = to be hidden

So zilizofichwa does not mean which hid. It means which were hidden.

The main change would be in the relative agreement:

• plural: kazi zilizofichwa
• singular: kazi iliyofichwa

So a singular version would be:

• Usimamizi wa kiufundi wa kazi iliyofichwa umeanza.

That would mean Technical supervision of the hidden work has begun.

Because Swahili normally does not use articles like the and a/an the way English does.

Definiteness usually comes from context. So a Swahili sentence can often be translated with the in English even though there is no separate word for it in Swahili.

That is very normal.

Yes. It sounds formal and technical.

You might see this kind of sentence in contexts such as:

• construction
• engineering
• project management
• inspections
• official reports

In particular, kazi zilizofichwa often refers to hidden works: parts of a project that will later be covered up, such as pipes, wiring, or structural elements inside walls or under concrete.

A rough syllable breakdown is:

• u-si-ma-mi-zi
• wa
• ki-u-fun-di
• wa
• ka-zi
• zi-li-zo-fich-wa
• u-me-an-za

A few tips:

• ch in fichwa sounds like ch in church
• pronounce all vowels clearly
• kiu- is not one blurred sound; it is ki-u
• umeanza has all the vowels pronounced: u-me-an-za

Swahili stress is usually on the second-to-last syllable, so that rule will help you sound more natural.