This is the 15278th most frequent Turkish word.
sunduğum
"The one I present/offer."
The word 'sunduğum' here means 'that I presented' and functions as a relative clause referring to the proposal.
Bugün toplantıda yeni bir öneri sunduğum için mutluyum.
I'm happy because I presented a new proposal in the meeting today.
Here, 'sunduğum' means 'that I presented' and specifies which projects are being referred to in the sentence.
Kütüphanedeki kitabı, sunduğum projelerden birine kaynakça olarak ekledim.
I added the book from the library as a reference to one of the projects I presented.
In this sentence, 'sunduğum' acts similarly, specifying the report by indicating that it is the one 'that I presented'.