Bete,
Sorry to interrupt. The best way to explain the word 'Srishti' is to link it with 'Trimurti', and their functions.
1. Brahma-shrishti = creation
2. Vishnu-stithi =Preservation/ sustenance
3. Maheshwara (Shiva)=Samhara=conclusion/death

Shrishti is the process of creation