Ζητώ συγγνώμη για την αργοπορία, είχε πολλή κίνηση στον δρόμο.

Yes. Ζητώ means I ask / I request, and in this sentence it gives the fixed expression ζητώ συγγνώμη = I apologize / I ask for forgiveness.

Ζητώ and ζητάω are two forms of the same verb. Both are common in Modern Greek:

• ζητώ
• ζητάω

So Ζητώ συγγνώμη and Ζητάω συγγνώμη both mean I’m sorry / I apologize, though ζητώ can sound a bit more formal or polished.

Greek often expresses this idea with the noun συγγνώμη rather than a single everyday verb.

Literally:

• ζητώ = I ask for
• συγγνώμη = forgiveness / pardon

So the phrase literally means I ask for forgiveness, but naturally it means I’m sorry or I apologize.

There is also the verb απολογούμαι, but in everyday speech ζητώ συγγνώμη is much more common.

Grammatically, συγγνώμη is a noun. It means forgiveness, pardon, or in many contexts simply sorry.

You will see it in several very common uses:

• Συγγνώμη. = Sorry / Excuse me.
• Ζητώ συγγνώμη. = I apologize.
• Συγγνώμη για... = Sorry for...

So in this sentence it is a noun inside the expression ζητώ συγγνώμη.

After the preposition για (for), Greek normally uses the accusative case.

So:

• η αργοπορία = the lateness / delay (nominative)
• την αργοπορία = the lateness / delay (accusative)

That is why the sentence says:

• για την αργοπορία = for the lateness

This is very common:

• για το λάθος = for the mistake
• για την καθυστέρηση = for the delay
• για τον θόρυβο = for the noise

Both can relate to being late, but they are not always used in exactly the same way.

• αργοπορία usually refers to lateness, especially someone arriving late.
• καθυστέρηση usually means delay, and it is broader.

So:

• Συγγνώμη για την αργοπορία = Sorry for being late
• Υπήρξε καθυστέρηση στην πτήση = There was a delay in the flight

In this sentence, αργοπορία is very natural because the speaker is apologizing for arriving late.

Because Greek usually says there was traffic with είχε in everyday speech.

So:

• είχε κίνηση = there was traffic
• literally, this looks like it had traffic, but idiomatically it means there was traffic

This is a very common conversational structure in Greek. It often sounds more natural than trying to translate English word-for-word.

You may also hear:

• Υπήρχε κίνηση. = There was traffic.

That is also correct, but είχε κίνηση is extremely common in speech.

Because the speaker is explaining the reason for being late, and that reason happened earlier.

• έχει = there is / it has
• είχε = there was / it had

So:

• είχε πολλή κίνηση στον δρόμο = there was a lot of traffic on the road

The apology is happening now, but the traffic happened before the speaker arrived.

Πολλή is the feminine singular accusative form of πολύς (much / many / a lot of), because it agrees with κίνηση, which is a feminine noun.

Here are the relevant forms:

• πολύς = masculine
• πολλή = feminine
• πολύ = neuter

So:

• πολλή κίνηση = a lot of traffic
• πολλή ώρα = a lot of time
• πολύ νερό = a lot of water

The accent matters because Greek spelling distinguishes these forms.

Στον is a contraction of:

• σε + τον = στον

So:

• στον δρόμο literally means in/on the road

Greek very often uses the article where English might not emphasize it as much. In this sentence, στον δρόμο means something like:

• on the road
• in traffic
• on the way

You will see similar contractions all the time:

• στο = σε + το
• στη = σε + τη(ν)
• στις = σε + τις

Literally, it is on the road / in the road, but in context it naturally means on the way or in traffic.

So the idea is not that there were cars on one specific road in a very literal sense. It is the normal way to say that traffic on the route was heavy.

Depending on context, English might translate it as:

• there was a lot of traffic on the road
• there was a lot of traffic on the way
• traffic was really heavy

The comma is natural in informal and neutral writing because the second part explains the first:

• Ζητώ συγγνώμη για την αργοπορία, είχε πολλή κίνηση στον δρόμο.

It works like:

• Sorry for being late, there was a lot of traffic.

You could also split it into two sentences:

• Ζητώ συγγνώμη για την αργοπορία. Είχε πολλή κίνηση στον δρόμο.

That may look a little more formal or carefully written, but both are fine.

Yes, definitely. This sentence is correct, but many speakers might use a more casual version such as:

• Συγγνώμη για την αργοπορία, είχε πολλή κίνηση.
• Συγγνώμη που άργησα, είχε πολλή κίνηση.
• Άργησα λόγω κίνησης, συγγνώμη.

A very common everyday version is:

• Συγγνώμη που άργησα = Sorry I’m late / Sorry I was late

So your sentence is good Greek, but it is a bit more formal than the most casual spoken alternative.