Questions & Answers about Acaba atalarımızın kökeni hangi ülke?
Why is there no question particle like mi in this sentence?
The word hangi (which) is already a question word, so a yes/no particle like mi isn't needed. The word acaba (I wonder) sits at the start to soften the question, turning a direct 'Which country is...' into a polite 'I wonder which country...'.
Break down atalarımızın. Why is the -ın at the end?
This word builds from the root ata (ancestor). We add -lar for plural (ancestors), then -ımız for 'our' (our ancestors). Finally, the -ın is the genitive case suffix (acting like the English apostrophe 's'), linking it to kökeni to mean 'our ancestors' origin'.
Why does köken have an -i at the end?
It is the possessive suffix that pairs with the genitive -ın on atalarımızın. In Turkish, when you say 'X's Y', the 'Y' requires a possessive suffix. So köken (origin) becomes kökeni (its/their origin).
Can I put acaba at the end of the sentence instead?
Absolutely! Acaba is very flexible. Atalarımızın kökeni hangi ülke acaba? is completely natural. Putting it at the end often makes it sound like you are casually thinking out loud.