Προτιμώ να στείλω ένα γρήγορο email παρά να περιμένω μισή ώρα στην ουρά.

Because in Greek, προτιμώ is commonly followed by να + verb when you say what you prefer to do.

So:

• Προτιμώ να στείλω... = I prefer to send...
• Προτιμώ να περιμένω... = I prefer to wait...

This is a very common pattern in Modern Greek:

• Προτιμώ να φύγω τώρα. = I prefer to leave now.
• Προτιμώ να μείνω σπίτι. = I prefer to stay home.

English often uses to + verb, but Greek usually uses να + verb in this kind of structure.

στείλω is the aorist subjunctive form of the verb στέλνω (to send).

After να, Greek often makes a distinction between:

• aorist subjunctive = a single, complete action
• present subjunctive = an ongoing, repeated, or continuous action

Here, να στείλω ένα γρήγορο email means to send one quick email, seen as one complete action.

Compare:

• Προτιμώ να στείλω ένα email.
  = I prefer to send an email.
  (one completed action)

• Προτιμώ να στέλνω email το πρωί.
  = I prefer to send emails in the morning.
  (habit/repeated action)

So στείλω is used because the speaker is talking about one specific act of sending.

Here περιμένω is the present subjunctive form, and it looks the same as the present indicative.

That is very common in Modern Greek: some verbs have the same form for:

• I wait = περιμένω
• that I wait / to wait after να = να περιμένω

In this sentence, να περιμένω μισή ώρα presents waiting as a duration or ongoing situation. That makes sense, because waiting in a queue for half an hour is not a single instant action; it stretches over time.

So the contrast is natural:

• να στείλω = do one quick thing
• να περιμένω μισή ώρα = spend time waiting

παρά να means rather than.

So the pattern is:

• Προτιμώ να κάνω Α παρά να κάνω Β.
  = I prefer to do A rather than do B.

In your sentence:

• Προτιμώ να στείλω ένα γρήγορο email παρά να περιμένω μισή ώρα στην ουρά.

This connects the two alternatives:

1. send a quick email
2. wait half an hour in line

You may also hear αντί να or από το να in some contexts, but παρά να is a very natural way to say rather than after προτιμώ.

Because email is treated as a neuter singular noun in Greek.

So the forms agree like this:

• ένα = neuter singular a/an
• γρήγορο = neuter singular form of quick
• email = neuter noun

That is why you get:

• ένα γρήγορο email

You can compare:

• ένα καλό βιβλίο = a good book
• ένα μικρό σπίτι = a small house
• ένα γρήγορο email = a quick email

Even though email is a borrowed word, Greek still gives it grammatical gender and matches the article/adjective to it.

It is a borrowed word, but it is very commonly used in Greek.

A few useful points:

• It is usually treated as neuter
• It is often indeclinable, meaning the noun itself usually does not change form
• The grammar around it shows its role, especially the article

Examples:

• το email = the email
• ένα email = an email
• τα email = the emails

In everyday Greek, many speakers simply use email exactly like that. You may also see more Greek-based alternatives in formal language, but email is completely normal in conversation and writing.

μισή ώρα means half an hour.

• ώρα = hour
• μισή = half (feminine singular form)

Because ώρα is a feminine noun, the adjective has to agree with it:

• μισός = masculine
• μισή = feminine
• μισό = neuter

So:

• μισή ώρα = half an hour
• μισός καφές would be masculine
• μισό λεπτό = half a minute

This is just normal agreement in Greek.

στην is a contraction of:

• σε + την = στην

So:

• στην ουρά literally = in the queue / in line

The noun ουρά literally means tail, but it is also the normal word for a queue/line.

Examples:

• Περιμένω στην ουρά. = I’m waiting in line.
• Υπάρχει μεγάλη ουρά. = There is a long queue.

This is very natural Greek. In English, the image of a line is different, but Greek uses the same word as tail, like the tail end of people standing one behind another.

Because the literal meaning of ουρά is tail, and by extension it came to mean a line of people or vehicles.

That image is actually pretty intuitive: a queue stretches out like a tail.

So Greek speakers say:

• στην ουρά = in the queue / in line
• έχει ουρά = there’s a queue
• μπαίνω στην ουρά = I get in line

It is a very common everyday word.

Because after προτιμώ, Greek normally uses να + verb, not the future marker θα.

So Greek says:

• Προτιμώ να στείλω... not
• Προτιμώ θα στείλω...

Even if the action is about the present or future, the structure after προτιμώ stays the same:

• Προτιμώ να πάω αύριο. = I prefer to go tomorrow.
• Προτιμώ να το κάνω αργότερα. = I prefer to do it later.

So the idea of future time is understood from context, not from θα.

Not completely. Greek word order is more flexible than English word order, although some versions sound more natural than others.

The original sentence is very natural:

• Προτιμώ να στείλω ένα γρήγορο email παρά να περιμένω μισή ώρα στην ουρά.

You could move some elements for emphasis, for example:

• Προτιμώ να στείλω ένα email γρήγορο παρά να περιμένω...
  This is much less natural in everyday speech.

• Μισή ώρα στην ουρά προτιμώ να μην περιμένω.
  This changes the structure and emphasis.

In general, the original order is the best neutral version. A learner should probably keep that pattern:

• Προτιμώ να... παρά να...

A rough pronunciation guide is:

Pro-ti-MO na STEE-lo EN-a GRI-go-ro i-MAIL pa-RA na pe-ri-ME-no MI-si O-ra stin u-RA

A few notes:

• Προτιμώ → stress on the last syllable: -μώ
• στείλω → sounds roughly like STEE-lo
• γρήγορο → stress on γρή-
• email in Greek is often pronounced close to ee-MAIL
• μισή → stress on the second syllable
• ουρά → stress on the last syllable

If you want to sound natural, the rhythm is important too:

Προτιμώ να στείλω ένα γρήγορο email | παρά να περιμένω μισή ώρα στην ουρά.

There is a natural pause before παρά.

Yes, in many situations you can hear:

• Προτιμώ να στείλω ένα γρήγορο email από το να περιμένω μισή ώρα στην ουρά.

This also means I’d rather send a quick email than wait half an hour in line.

Both are understandable and natural, but:

• παρά να is a very neat, direct rather than
• από το να is also common and often sounds a bit more conversational in some contexts

As a learner, it is useful to recognize both.

A very useful pattern is:

• Προτιμώ να + verb + παρά να + verb
• I prefer to + verb + rather than + verb

For example:

• Προτιμώ να μείνω σπίτι παρά να βγω έξω.
  = I prefer to stay home rather than go out.

• Προτιμώ να τηλεφωνήσω παρά να στείλω μήνυμα.
  = I prefer to call rather than send a message.

Your sentence is a very good model because it also shows aspect clearly:

• να στείλω = one complete action
• να περιμένω = ongoing action over time

So it is useful both for structure and for verb choice.