Başınız sağ olsun, sizi düşünüyoruz.

This is a fixed Turkish condolence expression. You use it when someone has lost a loved one.

Literally, the words are something like:

• başınız = your head
• sağ = healthy / alive / sound
• olsun = let it be / may it be

So the literal structure is not the same as natural English, but as a set phrase it means my condolences or may you remain well despite the loss.

You should learn Başınız sağ olsun as a whole expression, not word by word only.

The ending -ınız here shows your in the plural or polite singular form.

So:

• başın = your head (informal singular, to one person you address with sen)
• başınız = your head (plural or polite singular, with siz)

That means:

• Başın sağ olsun = informal, to one person
• Başınız sağ olsun = polite, respectful, or to more than one person

In condolence messages, Turkish usually prefers the more respectful form, so Başınız sağ olsun is very common.

Olsun comes from the verb olmak = to be / to become.

Here it is in a form often used for wishes, blessings, or set expressions. In this sentence, it means something like:

• may it be
• let it be

So sağ olsun is not a normal present-tense statement like it is healthy. It has the feeling of a wish or blessing.

You will see olsun in many common expressions, for example:

• Geçmiş olsun = said when someone is ill or has had a bad experience
• Kolay gelsin uses a different verb, but has a similar “good wish” function

Yes, basically yes. It is specifically a condolence expression.

Use it when someone has:

• lost a family member
• lost a relative
• experienced a death close to them

Do not use it for illness, accidents, or ordinary bad news. For those situations, Turkish uses other expressions, such as:

• Geçmiş olsun for illness, injury, or misfortune

So Başınız sağ olsun is for bereavement, not general sympathy.

Because düşünmek can take a direct object when it means to think about someone/something.

So:

• sizi = you as the object
• düşünüyoruz = we are thinking

Together: We are thinking of you.

Turkish often allows the object to be omitted when it is understood from context, so Düşünüyoruz might be possible in the right situation. But sizi düşünüyoruz is clearer and more personal.

In a condolence message, including sizi makes the support feel direct and warm.

Düşünüyoruz breaks down like this:

• düşün- = verb stem, think
• -üyor- = present continuous tense marker
• -uz = we

So düşünüyoruz means we are thinking or we’re thinking.

The vowel changes happen because of Turkish vowel harmony and sound patterns, so from düşünmek you get düşünüyoruz, not düşünuyoruz.

Because sizi is the object form of siz, while seni is the object form of sen.

• sen = you (singular, informal)
• seni = you (object, informal)
• siz = you (plural or polite singular)
• sizi = you (object, plural or polite singular)

Since the first part of the sentence already uses the respectful form Başınız, it is natural to continue with sizi.

So the sentence is consistent in politeness:

• Başın sağ olsun, seni düşünüyoruz. = informal singular
• Başınız sağ olsun, sizi düşünüyoruz. = polite singular or plural

Yes, absolutely. That would sound more informal and personal.

Use:

• Başın sağ olsun, seni düşünüyoruz. for a close friend, sibling, or someone you address with sen
• Başınız sağ olsun, sizi düşünüyoruz. for a more respectful tone, for elders, less-close people, or in more formal writing

In real life, many speakers still choose the polite form in condolence situations even with people they know, because the situation itself is serious and respectful.

In modern Turkish, ğ (called yumuşak ge) usually does not sound like a strong consonant.

In sağ, it often:

• lengthens the vowel before it, or
• creates a very soft glide

So sağ is pronounced roughly like saa with a long vowel, not like a hard g.

This is why sağ olsun does not sound like sag olsun.

Yes. It works well in both:

• spoken condolences
• text messages
• cards
• formal messages
• social media condolences

It sounds supportive and appropriate. In writing, people may also expand it a little, for example:

• Başınız sağ olsun. Sizi düşünüyoruz.
• Başınız sağ olsun, acınızı paylaşıyoruz.
• Başınız sağ olsun. Dualarımız sizinle.

But the original sentence is already natural and correct.

Turkish word order is flexible, but this version sounds very natural.

• Başınız sağ olsun comes first because it is the main condolence formula.
• sizi düşünüyoruz follows as added emotional support.

So the sentence moves from:

1. formal condolence
2. personal support

You could separate them into two sentences:

• Başınız sağ olsun. Sizi düşünüyoruz.

That is also very natural, especially in writing.