Where does “graybody” come from?

graybody (English) comes from English Body, from Middle English bode, from Old English boda, from Proto-Germanic budô, from Proto-Germanic beudaną, from Proto-Indo-European bʰewdʰ- — to be awake, be aware.

graybody (English): a body that radiates energy having a blackbody...

Definitions

  1. a body that radiates energy having a blackbody...

Ancestry of “graybody”, step by step

graybody traces back through two separate lines of ancestry.

via English Body

StepLanguageWordMeaning
1EnglishBodyCorpus Christi College, Cambridge
2Middle Englishbodemessenger
3Old Englishbodamessenger, envoy, herald, apostle, angel; prophet
4Proto-Germanicbudômessenger
5Proto-Germanicbeudanąto offer, to bid
6Proto-Indo-Europeanbʰewdʰ-to be awake, be aware

via English Gray

StepLanguageWordMeaning
1EnglishGrayoriginally a nickname for someone with a gray beard or hair
2LatinGraecusGreek, Grecian, of or pertaining to the Greek...
3Ancient GreekΓραικόςGreek; a Graecian, a member of an ancient...
4Ancient GreekγραῖαGraea, Boeotia; Greece
5Proto-Indo-Europeanǵerh₂-to grow old, to mature
Every word from Proto-Indo-European bʰewdʰ-Every word from Proto-Germanic beudanąEvery word from Proto-Germanic budô