Where does “breastwork” come from?

Breastwork derives from English breast and work, with breast tracing through Middle English brest and Old Norse brestr to Proto-Germanic wurkijaną and Proto-Indo-European bʰr̥stís, ultimately from the root bʰrews-.

breastwork (English): A fortification consisting of a breast-high...

Definitions

  1. A fortification consisting of a breast-high...

Ancestry of “breastwork”, step by step

breastwork traces back through two separate lines of ancestry.

via English work

StepLanguageWordMeaning
1Englishwork"Employment."; "Effort."; Sustained effort to...
2Middle Englishwerkwork
3Old Englishweorcwork, in various senses, including
4Proto-West Germanicwerkwork
5Proto-Germanicwerkąwork
6Proto-Indo-Europeanwérǵomwork
7Proto-Indo-Europeanwerǵ-to make

via English breast

StepLanguageWordMeaning
1EnglishbreastEither of the two organs on the front of a female...
2Middle Englishbrestchest, thorax; The breast in several contexts;...
3Old Englishbrēostchest
4Proto-West Germanicbreustbreast, chest
5Proto-Germanicbreustąbreast, chest
6Proto-Indo-Europeanbʰrews-to break
Every word from Proto-Indo-European werǵ-
breastwork — Etymology, Origin & Word History | Etymology Explorer