Laurentius is a Latin name that means "From Laurentum" (a city near Rome). It is possible that the place name Laurentum is derived from the Latin laurus ("laurel"). The Greek form Λαυρέντιος (Lauréntios) is derived from Latin Laurentius
In the same time, Lorenz is an originally German name derived from the Roman surname, Laurentius, which mean "from Laurentum" or Old Greek word Lavrenti meaning "bright one, shining one".
And then, is it possible that the words Laurentius, Laurentum, Laurus and Lauréntios come from the Old Greek word Lavrenti?