Questions & Answers about Bu binanın tarihsel bir önemi var.
What is the difference between tarihsel and tarihi?
Both mean 'historical'. The suffix -sEl in tarihsel is a native Turkish suffix introduced during the language reform, while tarihi uses an Arabic-derived suffix. They are often interchangeable, but tarihsel is mostly preferred in academic contexts meaning 'pertaining to history', whereas tarihi is very common in everyday speech for places or things with historical value.
Why does tarih take the -sel suffix instead of -sal?
The relational suffix -sEl follows two-way vowel harmony. Because the last vowel in tarih is i (a front vowel), we use the front-vowel form -sel. If the noun had a back vowel, like kural (rule), we would use -sal to make kuralsal (normative/pertaining to rules).
Why do we use the genitive suffix -nın on bina and the possessive -i on önem?
This is the standard way to express 'to have' in Turkish. You are literally saying 'The building's historical importance exists'. The owner (bina) takes the genitive suffix -nın, the possessed item (önem) takes the possessive suffix -i, and var shows existence.
Why is placed after the adjective ?