indicate the level to which a name has been verified.
Meaning & History
The first element of this name is derived from Polish rościć, which can mean "to claim, to lay claim to" as well as "to sprout". Also compare Polish rosnąć "to grow, to sprout, to increase", Croatian rasti "to grow, to increase" and Czech růst "to grow, to increase". The second element of this name is derived from Slavic mir "peace". In other words, this name is the Polish form of Rostimir.