Dea imperatori verbum pacis mittit, et imperator orat in templo.

Because dea is in the nominative case, which is the usual case for the subject of a Latin sentence. The verb mittit is also singular, so it matches a singular subject: dea = the goddess.

In this clause:

• dea = subject
• mittit = verb
• imperatori = indirect object
• verbum pacis = direct object

Imperatori is in the dative case. The dative is often used for the indirect object, especially with verbs like give, send, show, and similar actions.

So:

• imperator = the commander/emperor as a dictionary form
• imperatori = to/for the commander

In Dea imperatori verbum pacis mittit, the goddess sends something to the commander, so Latin uses the dative: imperatori.

They are the same noun, but in different cases:

• imperatori = dative singular, to the commander
• imperator = nominative singular, the commander

So the first time the word appears, it is receiving the message:

• Dea imperatori verbum pacis mittit = the goddess sends a word/message of peace to the commander

The second time, it is the subject of a new clause:

• et imperator orat in templo = and the commander prays in the temple

This is a very common feature of Latin: the ending changes to show the noun’s job in the sentence.

Pacis is in the genitive case, which often shows possession or a close relationship. Here it means of peace.

So:

• verbum = word or message
• pacis = of peace

Together, verbum pacis means a word/message of peace.

English often uses of for this idea, and Latin often uses the genitive case.

Because it is describing what kind of verbum it is. The genitive can answer a question like of what?

• verbum = word/message
• pacis = of peace

So verbum pacis literally means word of peace.

This is a very common Latin pattern:

• rex urbis = king of the city
• via vitae = way of life
• verbum pacis = word/message of peace

After in, Latin uses:

• ablative for location: in = in/on
• accusative for motion toward: into/onto

Here the commander is not moving into the temple; he is already there, praying there. So Latin uses the ablative:

• in templo = in the temple

If there were motion toward the inside, you might see in templum = into the temple.

No. Classical Latin does not have definite or indefinite articles like English the and a/an.

So:

• dea can mean a goddess or the goddess
• imperator can mean a commander/emperor or the commander/emperor
• templum can mean a temple or the temple

You decide which English article to use from the context.

Latin word order is more flexible than English word order because Latin endings show the function of each word.

English depends heavily on position:

• The goddess sends the commander a message is different from
• The commander sends the goddess a message

But in Latin, endings help you tell who is doing what:

• dea = subject
• imperatori = to the commander
• verbum = thing sent

So Latin can move words around more freely for style, emphasis, or rhythm. The sentence you have is quite straightforward, but other orders would still be possible.

Latin often repeats a noun where English might use he. Repeating imperator can make the sentence clear and balanced:

• Dea ... mittit, et imperator orat ...

It also avoids any doubt about who is praying. Latin can use pronouns, but it does not need them as often as English does.

Here orat means prays. It can stand by itself, just like English prays can:

• imperator orat = the commander prays

Sometimes Latin oro can also mean beg, ask, or plead, and then it may take an object. But in this sentence, with in templo, the meaning prays is the natural one.

Because it has two finite verbs joined by et:

• mittit = sends
• orat = prays

So the structure is:

1. Dea imperatori verbum pacis mittit
2. et imperator orat in templo

Each part has its own subject and verb, which makes them two coordinated clauses.