Güle güle, yine gelin.

It comes from the verb gülmek, which means to laugh or to smile.

Historically, güle güle is related to the idea of go smiling or go happily. But in modern Turkish, you should mostly learn güle güle as one fixed farewell expression, not as something you need to build from scratch each time.

Because güle güle is an idiomatic fixed phrase. Turkish often uses repetition in set expressions for rhythm, emphasis, or a natural sound.

So here, the repetition is just part of the expression. You normally say güle güle, not just güle, when using it as a goodbye.

This is a very common learner question, because it works differently from English goodbye.

Güle güle is usually said by the person who is staying to the person who is leaving.

So if someone is leaving your house, shop, or office, you can say Güle güle to them.

The person who is leaving more often says hoşça kal or hoşça kalın to the person staying.

No. In this sentence, gelin is a verb form, not the noun bride.

Here it is the imperative form of gelmek (to come), specifically the plural / polite imperative:

• gel = come! (informal singular)
• gelin = come! (plural or polite singular)

So in Güle güle, yine gelin, gelin means come again or please come again.

Because gelin is the form used for:

• more than one person, or
• one person politely

So this sentence could be said:

• to a group of people, or
• to one customer/guest in a polite way

If you were speaking casually to one friend, you would more likely say:

Güle güle, yine gel.

Here, yine means again.

So yine gelin means come again or please come again.

Without yine, gelin would just mean come.
Adding yine gives the idea of returning another time.

Yes, very natural.

In Turkish, adverbs like yine often come before the verb, so yine gelin is the normal, neutral way to say come again.

The comma in Güle güle, yine gelin simply separates two short expressions:

• a farewell
• an invitation to return

It is polite and friendly.

Because of gelin, it sounds respectful. It is very natural in situations like:

• speaking to guests
• speaking to customers
• speaking to someone older
• speaking politely to someone you do not know well

With a close friend, you might switch to the informal singular:

• Güle güle, yine gel.

A rough guide is:

GYÜ-le GYÜ-le, YEE-ne GE-lin

A few helpful points:

• ü is like German ü or French u; English does not have an exact match
• the g in güle is a normal hard g, not the soft ğ
• yine sounds like yee-neh
• gelin here is pronounced geh-lin

If your ü is not perfect yet, that is normal. It is one of the sounds English speakers usually need to practice.

Yes, absolutely. It is very natural in exactly those situations.

A shopkeeper, host, or receptionist might say Güle güle, yine gelin to mean something like:

• goodbye
• come again
• please visit again

It sounds warm and welcoming.

Yes. A few common alternatives are:

• Yine gelin. = Come again.
• Yine bekleriz. = We hope to see you again / Please come again.
• Tekrar gelin. = Come again.

Among these, yine gelin and yine bekleriz are especially common in polite everyday Turkish.