Old High German hamar

← Old English hamor (cognate)

← Proto-Germanic *hamaraz (inherited)

← Proto-Indo-European *h₂eḱmoros (inherited)

← Proto-Indo-European *h₂éḱmō (mention)

← Old Norse hamarr (cognate)

← Old Frisian hamar (cognate)

← Old Saxon hamar (cognate)

→ Old English hamor (cognate)

→ German Hammer (inherited)

→ Luxembourgish Hummer (inherited)

→ Old Norse hamarr (cognate)

→ Pennsylvania German Hammer (inherited)

→ Yiddish האַמער (derived)