The leu opened at 4.445/4.4475 to the euro, weaker from 4.4405/4.4425 to the euro at Tuesday closing.
It further depreciated and touched an early low at 4.452 per euro, but then and the central bank stepped into the market and sold euros, so that the leu returned towards 4.45.
At around 10:20 local time (GMT0720), the leu traded at 4.449/4.45 per euro.
The other currencies in the region were losing up to 1% against the euro, as Greece worries hit confidence.
Romania’s central bank set Tuesday the leu’s reference rate at 4.4411 per euro, marking the third consecutive day in which the leu touched an all-time low.
On the money market Wednesday morning, overnight rates rose to 4.6%-5.1% a year, from 4.3%-4.8% a year in the previous day.