Η αποσυμφόρηση αρχίζει με διαλογή.

Η is the feminine singular definite article, meaning the.

Greek uses the definite article more often than English does, especially with abstract nouns or when talking about something as a known process or concept. So Η αποσυμφόρηση is very natural Greek, even if English might simply say Decongestion.

Grammatically, η also tells you that αποσυμφόρηση is:

• feminine
• singular
• nominative (the subject form)

Αποσυμφόρηση is a feminine noun. In this sentence, it is the subject of the verb αρχίζει.

A useful way to think about it is:

• συμφόρηση = congestion
• απο- often adds the idea of removal, relief, or undoing

So αποσυμφόρηση has the sense of decongestion, relief of congestion, or easing overcrowding/congestion, depending on context.

Αρχίζει is the 3rd person singular present tense of αρχίζω = to begin / to start.

Here it matches the subject η αποσυμφόρηση, which is singular:

• η αποσυμφόρηση = singular subject
• αρχίζει = it begins / it starts

So grammatically, the sentence is built like:

• Η αποσυμφόρηση = the decongestion
• αρχίζει = begins

Με usually means with, but in sentences like this it often has the sense of:

• by means of
• through
• starting with

So με διαλογή does not mean simple accompaniment, like with a friend. It means that the process begins through or by using triage/sorting as the first step.

Here διαλογή is accusative, because με takes the accusative in Modern Greek.

This can be confusing because the bare form looks the same as the nominative:

• η διαλογή = nominative
• τη διαλογή / την διαλογή = accusative

Without the article, you just see διαλογή, so the case is understood from the preposition με.

Because Greek often leaves out the article after a preposition when the noun is being used in a general or method-like sense.

So:

• με διαλογή = with/by triage, by means of sorting
• με τη διαλογή = more specific, something like with the triage or through that triage process

In this sentence, the article is omitted because διαλογή is being presented as the general method or first step.

No. Its core meaning is more general: sorting, selection, or screening.

Depending on context, it can be translated as:

• sorting
• selection
• screening
• triage

So if the context is medical or emergency management, triage is a very natural translation. In other contexts, sorting or selection might be better.

Yes. Greek word order is more flexible than English word order.

The sentence as written:

• Η αποσυμφόρηση αρχίζει με διαλογή

is a neutral, straightforward order:

• subject + verb + prepositional phrase

But Greek could also say:

• Με διαλογή αρχίζει η αποσυμφόρηση

That would put more emphasis on με διαλογή.

So the order can change for emphasis, style, or information focus, even though the basic meaning stays the same.

A rough pronunciation is:

ee ah-po-seem-FOH-ree-see ar-HEE-zee meh thee-ah-loh-YEE

A few useful sound notes:

• Η sounds like ee
• χ in αρχίζει is not English ch; it is a Greek throaty sound
• δ in διαλογή sounds like the th in this
• the stress falls on:
  • αποσυμφόρηση
  • αρχίζει
  • διαλογή

So the rhythm is roughly:

i aposim-FO-ri-si ar-CHI-zi me dia-lo-GI