niknuti

1. (of plants) to sprout; to come up
   Paradajz je niknuo posle nedelju dana. — The tomatoes came up after a week.
2. (of buildings, objects) to spring up; to pop up
   Preko noći je niknuo novi kiosk. — A new kiosk sprang up overnight.
3. (of teeth) to come through
   Niknuo mu je prvi zub. — His first tooth has come through.
4. (of ideas, feelings) to arise; to emerge
   U njoj je niknula nada. — Hope arose in her.

The imperfective counterpart is nicati.