The leu closed at 4.4945/4.496 per euro, from 4.4855/4.487 per euro Wednesday.
Elsewhere in the region by presstime, the Polish zloty was losing 0.2% versus the euro, while the Hungary’s forint was down 0.8%.
The local currency opened flat against the euro, but further lost ground, reaching an intraday low of 4.498 to the euro. It was for the first time in two weeks that the leu weakened beyond 4.49 against the euro.
In the money market, overnight rates rose to 4%-4.5% a year, from 3.5%-4% a year Wednesday.