prodor

1. (military, sports) breakthrough; drive
   Vojska je izvršila prodor kroz neprijateljske linije. — The army broke through the enemy lines.
   Posle brzog prodora po levoj strani, dao je gol. — After a quick run down the left, he scored.
2. (of a market, career) breakthrough; entry
   Firma planira prodor na evropsko tržište. — The company is planning to break into the European market.
3. (of water, air) penetration; ingress
   Izolacija sprečava prodor vode u podrum. — The insulation stops water getting into the basement.

The direction is usually expressed with na or u + acc.: prodor na tržište, prodor u grad.