Breakdown of Arkadaşıma hoşça kal dedim.
Questions & Answers about Arkadaşıma hoşça kal dedim.
It is:
- arkadaş = friend
- arkadaşım = my friend
- arkadaşıma = to my friend
So the word contains both the possessive ending -ım (my) and the dative ending -a (to).
Because the person receiving what is said is marked with the dative case in Turkish.
A very common pattern is:
birine bir şey demek = to say something to someone
So:
- arkadaşıma dedim = I said to my friend
Yes. Here it clearly means to my friend.
The -ım part is the 1st person singular possessive ending, so it shows that the friend is my friend.
Compare:
- arkadaşıma = to my friend
- arkadaşına = to his/her friend or to your friend (depending on context and form)