sentences:  The name "Obergrewilre" suggests that for a while at least, the village had two centres (the prefix "Ober—" means “upper”; the other centre would have had the prefix "Nieder—" or "Unter—", meaning “lower”).Already by 1588, Greweiler no longer existed.Johannes Hoffmann mentioned that such a village had once lain in the "Grehweiler Grund" (“"Im Greweiler Grunde…"”), likely the hollow now marked on the survey map as the "Ehweiler Grund".