The leu opened flat at 4.385 to the euro, but further lost ground, hitting an early low of 4.395 per euro.
At around 10:00 am, the local currency traded at 4.393/4.395 versus the euro. Trading volume was thin, with just 20 transactions made in the first hour.
Elsewhere in the region, the Polish zloty was losing 0.3% against the euro, while the Hungarian forint was flat on the day.
In the money market Wednesday morning, overnight rates were at 1.3%-2% a year.