Η πωλήτρια έδειξε μεγάλη ευγένεια και με βοήθησε να βρω σωστό νούμερο.

Η is the feminine singular definite article, equivalent to the.

So:

• η πωλήτρια = the saleswoman / the shop assistant
• It shows that πωλήτρια is:
  • feminine
  • singular
  • nominative, because it is the subject of the sentence

Greek articles change for gender, number, and case, unlike English the.

Πωλήτρια is the feminine form, while πωλητής is the masculine form.

• ο πωλητής = the salesman
• η πωλήτρια = the saleswoman

Since the sentence is talking about a female shop assistant, Greek uses the feminine noun.

Έδειξε is the aorist tense, which usually expresses a single completed action in the past.

Here it means something like:

• she showed
• she displayed

So έδειξε μεγάλη ευγένεια describes one completed past event: she acted with great politeness.

A learner often compares this with the imperfect:

• έδειχνε = she was showing / she used to show

But έδειξε fits better here because the sentence is narrating a completed interaction.

Because μεγάλη is an adjective agreeing with ευγένεια.

• ευγένεια is feminine singular
• so the adjective must also be feminine singular: μεγάλη

This phrase is in the accusative because it is the object of έδειξε:

• έδειξε τι; → μεγάλη ευγένεια

Also, μεγάλη here means great rather than literally big.

Greek often leaves out the article with abstract nouns when speaking in a general or descriptive way.

So:

• έδειξε μεγάλη ευγένεια = she showed great politeness / great courtesy

If you added an article, it would sound more specific or stylistically different, but without the article this phrase is very natural.

Greek can do both, but δείχνω ευγένεια is a very natural expression meaning to show politeness/courtesy.

So this sentence uses a noun:

• ευγένεια = politeness, courtesy

instead of an adjective such as:

• ήταν ευγενική = she was polite

Both are possible, but έδειξε μεγάλη ευγένεια sounds slightly more formal or descriptive.

Με means me.

It is the weak object pronoun, and in normal Greek word order these weak pronouns usually come before the verb:

• με βοήθησε = she helped me

So the order is not like English helped me, but rather me helped in terms of position.

This is very common in Greek:

• με είδε = she saw me
• με ξέρει = she knows me
• με βοήθησε = she helped me

This is a very common Greek pattern:

• βοηθάω κάποιον να + verb

It means:

• help someone to do something

So here:

• με βοήθησε = she helped me
• να βρω = to find

Together:

• με βοήθησε να βρω... = she helped me find...

This is one of the main ways Greek expresses help someone do something.

Βρω is the aorist subjunctive form after να, from the verb βρίσκω.

Greek often uses:

• να + aorist form for a single complete action
• να + present form for an ongoing, repeated, or continuous action

Here the meaning is a single result:

• she helped me find the right size

So να βρω is the natural choice.

Compare:

• να βρω = to find, as one completed action
• να βρίσκω = to be finding / to find regularly or repeatedly

Because many Greek verbs have different stems in the present and aorist.

For this verb:

• present: βρίσκω
• aorist: βρήκα
• aorist subjunctive after να: να βρω

This is very common in Greek and must often be learned as part of the verb’s principal forms.

So although βρω looks quite different, it belongs to the same verb βρίσκω.

Literally, it means correct number, but in shopping contexts νούμερο often means size.

So here σωστό νούμερο means:

• the right size
• the correct size

This is especially common for:

• shoes
• clothes

So a Greek speaker may say νούμερο where English would often say size.

Because σωστό agrees with νούμερο, and νούμερο is a neuter noun.

So:

• masculine: σωστός
• feminine: σωστή
• neuter: σωστό

Since νούμερο is neuter singular, the adjective must also be neuter singular:

• σωστό νούμερο

Greek often omits the article in expressions like this when the object is not being introduced as a very specific noun phrase.

So:

• να βρω σωστό νούμερο = to find the right size / a suitable size

In everyday speech, this is very natural.

You could also hear:

• να βρω το σωστό νούμερο

That version sounds a bit more explicitly like the right size. Both are possible, but the version without the article is very normal.

Not completely. Greek word order is more flexible than English, but some parts still have strong tendencies.

For example:

• Η πωλήτρια έδειξε μεγάλη ευγένεια is a normal order
• με βοήθησε is also the normal order because the weak pronoun με usually goes before the verb

You can move things around for emphasis, but the given sentence is very natural and neutral.

So Greek is flexible, but not random.

Primarily politeness, courtesy, or good manners.

Depending on context, it can overlap a little with warmth or graciousness, but its core meaning is about being polite and courteous.

So in this sentence, μεγάλη ευγένεια suggests that the saleswoman behaved in a very courteous and respectful way.

The main change would be the subject:

• Ο πωλητής έδειξε μεγάλη ευγένεια και με βοήθησε να βρω σωστό νούμερο.

Changes:

• Η → Ο
• πωλήτρια → πωλητής

The rest of the sentence stays the same, because the other words do not need to agree with the subject here.