Where does “unbreast” come from?

unbreast (English) comes from English breast, from Middle English brest, from Old English brēost, from Proto-West Germanic breust, from Proto-Germanic breustą, from Proto-Indo-European bʰrews- — to break.

unbreast (English): To disclose or lay open; to unbosom

Definitions

  1. To disclose or lay open; to unbosom

Ancestry of “unbreast”, step by step

unbreast traces back through two separate lines of ancestry.

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

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European bʰrews-Every word from Proto-Germanic breustąEvery word from Proto-West Germanic breust