Η μεταποίηση αρχίζει σήμερα.

No. In Greek, capital Η is the letter eta, not the English letter H.

Here, Η is the feminine singular definite article, meaning the.

So Η μεταποίηση = the processing / the manufacturing / the transformation (depending on context).

In Modern Greek, η is pronounced ee /i/, not h.

Greek uses the definite article much more often than English.

So Greek commonly says η μεταποίηση, even where English might simply say processing or manufacturing without the.

This is very normal Greek usage, especially with:

• abstract nouns
• general concepts
• subjects of sentences

So the article here is not unusual or overly specific.

μεταποίηση is a noun. In this sentence it is:

• feminine
• singular
• nominative case

It is nominative because it is the subject of the verb αρχίζει.

You can often recognize many feminine nouns ending in -ηση, -ση, or -η.

There are two main clues:

1. It has the article η, which marks it as a noun phrase: η μεταποίηση
2. The verb is αρχίζει, which is third person singular, matching a singular subject

So the structure is:

• Η μεταποίηση = the subject
• αρχίζει = begins / starts
• σήμερα = today

Because αρχίζει is third person singular: he/she/it begins.

The dictionary form is αρχίζω, meaning I begin or simply to begin when listed as a lemma.

Here the subject is η μεταποίηση, which is it, so Greek uses:

• αρχίζω = I begin
• αρχίζεις = you begin
• αρχίζει = he/she/it begins

So Η μεταποίηση αρχίζει literally means The processing begins.

Yes. αρχίζει is the present tense.

In Greek, the present tense can often be translated into English in different ways depending on context, such as:

• begins
• is beginning
• starts
• is starting

So without extra context, αρχίζει σήμερα can be understood as something like begins today or is starting today.

Yes, very often.

Greek is a pro-drop language, which means subject pronouns are often omitted because the verb ending already gives a lot of information.

But in this sentence, the noun η μεταποίηση is included because the speaker wants to name exactly what begins.

If the context were already clear, Greek might say simply:

Αρχίζει σήμερα.
= It begins today.

But that would only work if everyone already knew what it referred to.

σήμερα is an adverb, meaning today.

Because it is an adverb:

• it does not take an article
• it does not change form here
• it tells us when the action happens

So in the sentence, σήμερα modifies the verb αρχίζει.

Yes. Greek word order is more flexible than English.

The neutral order here is:

Η μεταποίηση αρχίζει σήμερα.

But other orders are also possible, for example:

• Σήμερα αρχίζει η μεταποίηση.
• Αρχίζει σήμερα η μεταποίηση.

These all mean roughly the same thing, but the emphasis changes:

• Σήμερα αρχίζει η μεταποίηση puts more focus on today
• Η μεταποίηση αρχίζει σήμερα feels straightforward and neutral

A useful pronunciation guide is:

η μεταποίηση αρχίζει σήμερα
≈ ee meta-po-EE-see ar-KHEE-zee SEE-me-ra

A key point: in μεταποίηση, the sequence οί does not act like the usual vowel combination οι pronounced /i/.

Because the accent falls on the ί, the vowels are pronounced separately. So -οίη- is not a single oi sound; it is broken up into separate syllables.

That is why μεταποίηση is pronounced roughly: me-ta-po-EE-see

not as if οι were the usual single sound /i/.

The accent marks show which syllable is stressed.

• μεταποίηση → stress on -οί-
• αρχίζει → stress on -χί-
• σήμερα → stress on σή-

Stress matters in Greek pronunciation, so learners should pay attention to it from the beginning.

The article η has no accent here because it is unstressed.

Yes: it belongs to a very common verb pattern.

Its present-tense forms include:

• αρχίζω = I begin
• αρχίζεις = you begin
• αρχίζει = he/she/it begins
• αρχίζουμε / αρχίζομε = we begin
• αρχίζετε = you all begin
• αρχίζουν / αρχίζουνε = they begin

So this sentence gives you a very useful model for recognizing third person singular present.

No. It means the noun is grammatically feminine, not that it has biological sex.

In Greek, all nouns have grammatical gender:

• masculine
• feminine
• neuter

For things, ideas, and processes, this gender is just part of the grammar. So μεταποίηση is feminine because that is how the noun behaves grammatically, not because it is female in any literal sense.