Where does “rough-legged buzzard” come from?

rough-legged buzzard (English) comes from English buzzard, from Middle English bosart, from Anglo-Norman buisart, from Old French busart, from Old French buison, from Old French bois, from Frankish busk, from Proto-Germanic buskaz — to become, grow, appear.

rough-legged buzzard (English): "Buteo lagopus", a medium-large bird of prey

Definitions

  1. "Buteo lagopus", a medium-large bird of prey

Ancestry of “rough-legged buzzard”, step by step

rough-legged buzzard traces back through two separate lines of ancestry.

via English buzzard

StepLanguageWordMeaning
1EnglishbuzzardAny of several Old World birds of prey of the...
2Middle Englishbosart
3Anglo-Normanbuisart
4Old Frenchbusart
5Old Frenchbuisonbush
6Old Frenchboiswoodland; woods
7Frankishbuskbush; bush, thicket
8Proto-Germanicbuskazbush; thicket
9Proto-Indo-EuropeanbʰuH-to become, grow, appear

via English rough-legged

StepLanguageWordMeaning
1Englishrough-leggedOf a bird: having the legs covered with feathers
Every word from Proto-Indo-European bʰuH-Every word from Proto-Germanic buskazEvery word from Frankish busk
rough-legged buzzard — Etymology, Origin & Word History | Etymology Explorer