Η φίλη μου ξεφλουδίζει τις πατάτες κι εγώ ψιλοκόβω το κρεμμύδι.

In Greek, unstressed possessive words like μου (my) usually come after the noun, not before it. So η φίλη μου is the normal way to say my friend.

Greek also normally keeps the definite article in this structure:

• η φίλη μου = my friend
• literally, it is closer to the friend of mine

So for an English speaker, the two main things to notice are:

• Greek says noun + possessive
• Greek usually keeps the article: η / ο / το

Because φίλη is feminine. It tells you the friend is female.

Compare:

• η φίλη μου = my female friend
• ο φίλος μου = my male friend

English uses friend for both, but Greek usually shows gender in the noun and article.

They are in different cases because they have different jobs in the sentence:

• η φίλη → nominative, because it is the subject
• τις πατάτες → accusative, because it is the direct object
• το κρεμμύδι → accusative, because it is also a direct object

A useful detail:

• οι πατάτες = nominative plural
• τις πατάτες = accusative plural

With neuter nouns like το κρεμμύδι, nominative and accusative look the same, so the form does not change there.

Yes, Greek could leave it out, because the verb ψιλοκόβω already shows I.

So both are possible:

• κι εγώ ψιλοκόβω το κρεμμύδι
• κι ψιλοκόβω το κρεμμύδι

Here, εγώ is used for contrast or emphasis:

• My friend peels the potatoes, and I chop the onion.

That contrast is the main reason it appears.

Here there is no difference in meaning. Both mean and.

Κι is a shorter form of και, and it is especially common before a vowel, as in:

• κι εγώ

So:

• κι εγώ
• και εγώ

Both are correct, but κι εγώ sounds very natural.

They are in the present tense.

In this sentence, they describe actions happening now:

• ξεφλουδίζει = she is peeling / she peels
• ψιλοκόβω = I am finely chopping / I finely chop

Greek present forms can describe either:

• something happening right now
• a habitual action

The context tells you which meaning is intended. Here it clearly sounds like an action in progress.

Because they have different subjects:

• ξεφλουδίζει = she peels
• ψιλοκόβω = I finely chop

So the endings help show who is doing the action.

Also, the verbs come from different basic forms:

• ξεφλουδίζω → ξεφλουδίζει
• ψιλοκόβω → ψιλοκόβω

So the difference is partly about person and partly about verb pattern.

Κόβω means I cut. The part ψιλο- adds the idea of small or fine.

So:

• κόβω = cut
• ψιλοκόβω = cut finely, finely chop, or mince

This is a useful example of how Greek often builds everyday words by combining smaller meaningful parts.

Greek uses the definite article more often than English does. In this sentence, the speaker is talking about the specific ingredients being prepared, so the articles sound natural and expected:

• τις πατάτες
• το κρεμμύδι

If you removed the articles, the sentence would sound less neutral and more dependent on context. In ordinary everyday Greek, using the articles here is the normal choice.

The order here is the normal, neutral one:

• Η φίλη μου ξεφλουδίζει τις πατάτες
• κι εγώ ψιλοκόβω το κρεμμύδι

This is basically subject + verb + object in each part.

Greek word order is more flexible than English, though. You can move things around for emphasis. For example, if you put εγώ earlier or stress το κρεμμύδι, the sentence can sound more contrastive or emphatic.

So the version you have is the most straightforward everyday order.

These two letters often catch English speakers' attention:

• ξ = ks
• ψ = ps

So:

• ξεφλουδίζει begins with ks-
• ψιλοκόβω begins with ps-

Greek allows these combinations at the beginning of a word, which English usually does not, so they can take a little practice.