Where does “hammerhead” come from?

Hammerhead comes from English hammer and head, where head derives from Middle English hede, Old English hēafod, Proto-Germanic haubudą, and Proto-Indo-European kauput-, ultimately from Proto-Indo-European roots meaning to strike or cut.

hammerhead (English): The portion of a hammer containing the metal...

Definitions

  1. The portion of a hammer containing the metal...

Ancestry of “hammerhead”, step by step

hammerhead traces back through two separate lines of ancestry.

via English Hammer

StepLanguageWordMeaning
1EnglishHammersomeone connected with West Ham Football Club, as...
2Middle EnglishhamerA hammer; A fierce individual; one with strong...
3Old Englishhamorhammer
4Proto-West Germanic*hamar
5Proto-Germanichamarazhammer
6Proto-Indo-Europeanh₂eḱmoros
7Proto-Indo-Europeanh₂éḱmōstone
8Proto-Indo-Europeanh₂eḱ-sharp

via English head

StepLanguageWordMeaning
1EnglishheadThe part of the body of an animal or human which...
2English-yAdded to nouns and adjectives to form adjectives...
3Middle English-yDesignates an adjective, in many cases formed by...
4Old English-iġ-y, -ic
5Proto-West Germanic-gForms adjectives from nouns and verbs with a...
6Proto-Germanic-gaz-y
7Proto-Indo-European-ḱos-y, -ic

Words derived from “hammerhead

Every word from Proto-Indo-European h₂eḱ-Every word from Proto-Indo-European h₂éḱmōEvery word from Proto-Indo-European h₂eḱmoros