From Proto-Germanic *hamaraz, from Proto-Indo-European *h₂eḱmoros, from *h₂éḱmō (“stone”). Compare Old English hamor (English hammer), Old Frisian hamar (West Frisian hammer), Old Saxon hamar (Low German Hamer), Old High German hamar (German Hammer).
- a steep cliff, crag, a rock face
- hammer (a tool with a heavy head and a handle used for pounding)
- porbeagle (Lamna nasus)